Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| I Believe (12") | Wichita | WEBB148T | UK | 2007 | |
| I Believe (Remixes) (12", Promo) | Wichita | WEBB148TCO | UK | 2007 | |
| I Believe (7", Ltd, Ora) | Wichita | WEBB148S | UK | 2007 | |
| I Believe (CD, Single, Promo) | Wichita | WEBB148CDPE | UK | 2007 | |
| I Believe (CD, Single, Promo) | Wichita | WEBB148SCDP | UK | 2007 | |
| I Believe (CDr, Single, Promo) | Wichita | WEBB148SCDR | UK | 2007 | |
| I Believe (Minimax, Maxi) | Wichita | WEBB148SCD | UK | 2007 |