Cita APA (7th ed.)
Ma, E., & Yiu, E. (2011). Handbook of voice assessments. Plural Publishing.
Cita Chicago (17th ed.)
Ma, Estella, i Edwin Yiu. Handbook of Voice Assessments. San Diego: Plural Publishing, 2011.
Cita MLA (9th ed.)
Ma, Estella, i Edwin Yiu. Handbook of Voice Assessments. Plural Publishing, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.