CD Single: If U Seek Amy (2009)

CD Promocional (EUA) Tracklist:

1. If U Seek Amy (Radio Edit - Censurada)

2. If U Seek Amy (Original)

3. If U Seek Amy (Instrumental)

CD Promocional CDR (EUA) Tracklist:

1. If U Seek Amy (Radio Edit - Censurada)

2. If U Seek Amy (Original)

3. If U Seek Amy (Instrumental)

4. If U Seek Amy (Acapella - Censurada)

5. If U Seek Amy (Acapella)

CD Promocional (Austrália) Tracklist:

1. If U Seek Amy (Original)

2. Circus (Joe Bermudez Radio Remix)

CD Maxi-Single Tracklist:

1. If U Seek Amy (Original)

2. If U Seek Amy (Bimbo Jones Radio Remix)

3. If U Seek Amy (Croockers Remix)

4. If U Seek Amy (U-Tern Remix)

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CD Promocional (EUA)

CD Promocional CDR (EUA)

CD Promocional (Austrália)

CD Maxi-Single