APA (7th ed.) Citation

(2001). Vocal exercises: The ultimate collection. CD Sheet Music Exclusive distributor.

Chicago Style (17th ed.) Citation

Vocal Exercises: The Ultimate Collection. [United States], [Bryn Mawr: CD Sheet Music Exclusive distributor, 2001.

MLA (9th ed.) Citation

Vocal Exercises: The Ultimate Collection. CD Sheet Music Exclusive distributor, 2001.