Cita APA (7th ed.)

Radionoff, S. L. (2008). The vocal instrument. Plural Pub..

Cita Chicago (17th ed.)

Radionoff, Sharon L. The Vocal Instrument. San Diego, CA: Plural Pub., 2008.

Cita MLA (9th ed.)

Radionoff, Sharon L. The Vocal Instrument. Plural Pub., 2008.