| 版录音 |
|---|
| 30 Days | | The Saturdays | 3:12 |
| 30 Days | | The Saturdays | 3:08 |
| 30 Days | | The Saturdays | 3:05 |
| 30 Days (Behind the Scenes) | 不完整 | The Saturdays | 5:31 |
| 30 Days (karaoke version) | | The Saturdays | 3:06 |
| 30 Days (Max Sanna and Steve Pitron remix) | | The Saturdays | 3:16 |
| 30 Days (Ruff Loaderz radio mix) | | The Saturdays | 3:47 |
| 30 Days (Ultrabeat remix) | | The Saturdays | 4:20 |
