Cita APA (7a ed.)

Ma, E., & Yiu, E. (2011). Handbook of voice assessments. Plural Pub..

Cita Chicago Style (17a ed.)

Ma, Estella, y Edwin Yiu. Handbook of Voice Assessments. San Diego: Plural Pub., 2011.

Cita MLA (8a ed.)

Ma, Estella, y Edwin Yiu. Handbook of Voice Assessments. Plural Pub., 2011.