Dyfyniad APA
Ma, E., & Yiu, E. (2011). Handbook of voice assessments. Plural Publishing.
Dyfyniad Arddull Chicago
Ma, Estella, and Edwin Yiu. Handbook of Voice Assessments. San Diego: Plural Publishing, 2011.
Dyfyniad MLA
Ma, Estella, and Edwin Yiu. Handbook of Voice Assessments. Plural Publishing, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.