Cita APA (7th ed.)

Peckham, A. (2000). The contemporary singer: Elements of vocal technique. Berklee Press.

Cita Chicago (17th ed.)

Peckham, Anne. The Contemporary Singer: Elements of Vocal Technique. Boston, Mass: Berklee Press, 2000.

Cita MLA (9th ed.)

Peckham, Anne. The Contemporary Singer: Elements of Vocal Technique. Berklee Press, 2000.