| Ufficiale |
|---|
| 1.1 | Can’t Be Sure | 3:25 | The Sundays | Can’t Be Sure | The Sundays | Singolo | | Rough Trade | RTT 218 |
| 1.1 | Can’t Be Sure | 3:25 | The Sundays | Can’t Be Sure | The Sundays | Singolo | | Rough Trade | RTT 218 CD |
| 1.3 | Can't Be Sure | 3:22 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | Rough Trade | VICP-19 |
| 1.3 | Can’t Be Sure | ?:?? | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | Rough Trade | Rough 148 |
| 1.3 | Can't Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | Rough Trade | Rough CD 148 |
| 1.3 | Can't Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | Rough Trade | CD 1-325, RTDCD 133 |
| 1.3 | Can't Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | Columbia House , DGC Records | D2-24277 |
| 1.3 | Can't Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | Festival Records | D 30221 |
| 1.3 | Can't Be Sure | 3:22 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | DGC Records, Rough Trade | DGC 24277 |
| 1.3 | Can't Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | DGC Records | DGCD 24277 |
| 1.3 | Can’t Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | DGC Records, Rough Trade | 9 24277-2 |
| 1.3 | Can’t Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | DGC Records, BMG Direct | 9 24277-2, D163175 |
| 1.3 | Can't Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | DGC Records | M5G 24277 |
| 2.5 | Can’t Be Sure | 3:21 | The Sundays | Untitled | Various Artists | Album + Compilation | | Global Television | RADCD32 |
| 2.5 | Can’t Be Sure | 3:21 | The Sundays | Untitled | Various Artists | Album + Compilation | | Global Television | RADMC32 |
| 1.3 | Can’t Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | Parlophone | 7243 8 34783 2 3 |
| 6.13 | Can't Be Sure | 3:24 | The Sundays | Les Inrockuptibles: 10 ans/100 chansons | Various Artists | Album + Compilation | | Small | SMA 487381-2 |
| 1.12 | Can't Be Sure | 3:23 | The Sundays | The Essential Acoustic Album | Various Artists | Album + Compilation | | Sanctuary Records | TDSAN010 |
| 4.12 | Can’t Be Sure | 3:24 | The Sundays | L’Anthologie des InRocKs : 25 ans de musique | Various Artists | Album + Compilation | | Les Inrockuptibles | |
| 1.6 | Can’t Be Sure | 3:24 | The Sundays | L’Inrockuptible | Bernard Lenoir | Album + Compilation | | EMI Music France | 50999-9340012-1 |
| 1.6 | Can’t Be Sure | 3:24 | The Sundays | L’Inrockuptible | Bernard Lenoir | Album + Compilation | | Parlophone France | |
| 2.13 | Can’t Be Sure | 3:25 | The Sundays | 100 Hits: 90s Classics | Various Artists | Album + Compilation | | 100 Hits | DMG 100 110 |
| 1.26 | Can’t Be Sure | 3:23 | The Sundays | The Other Side of the 80s | Various Artists | Album + Compilation | | Rhino | [none] |
| 1.20 | Can’t Be Sure | 3:23 | The Sundays | The Other Side of the 80s | Various Artists | Album + Compilation | | Rhino | |
| 1.27 | Can’t Be Sure | 3:23 | The Sundays | Smash Hits 80s Mixtape | Various Artists | Album + Compilation | | Rhino | |
| 1.39 | Can’t Be Sure | 3:23 | The Sundays | 100 Greatest: 80s | Various Artists | Album + Compilation | | Rhino | |
| 1.38 | Can’t Be Sure | ?:?? | The Sundays | Smash Hits 80s Mixtape | Various Artists | Album + Compilation | | Rhino | 9029574620 |
| 1.33 | Can’t Be Sure | 3:23 | The Sundays | Eighties Mixtape | Various Artists | Album + Compilation | | Rhino | |
| 1.79 | Can’t Be Sure | 3:23 | The Sundays | 100 Greatest 80s: Ultimate 80s Throwback Anthems | Various Artists | Album + Compilation | | Rhino | |
| 1.3 | Can’t Be Sure | ?:?? | The Sundays | Reading, Writing And Arithmetic | The Sundays | Album | | Geffen Records, Rough Trade | 602465275520 |
| 1.3 | Can’t Be Sure | 3:24 | The Sundays | Reading Writing and Arithmetic | The Sundays | Album | | Parlophone | |
| 1.3 | Can't Be Sure | 3:26 | The Sundays | Reading, Writing and Arithmetic | The Sundays | Album | | DGC Records | 9 24277-2 |