APA (7e ed.) Bronvermelding

Tapalla, W. C., & Tapalla, V. C. (2010). Public speaking and professional etiquette. Anvil Publishing.

Chicago (17e ed.) Bronvermelding

Tapalla, Wilma Cruz-, en Valerie Cruz Tapalla. Public Speaking and Professional Etiquette. Mandaluyong City: Anvil Publishing, 2010.

MLA (9e ed.) Bronvermelding

Tapalla, Wilma Cruz-, en Valerie Cruz Tapalla. Public Speaking and Professional Etiquette. Anvil Publishing, 2010.