Cita APA (7th ed.)

German, K. M., & Gronbeck, B. E. (2001). Principles of public speaking (14th ed.). Addison Wesley Longman.

Cita Chicago (17th ed.)

German, Kathleen M., i Bruce E. Gronbeck. Principles of Public Speaking. 14th ed. New York: Addison Wesley Longman, 2001.

Cita MLA (9th ed.)

German, Kathleen M., i Bruce E. Gronbeck. Principles of Public Speaking. 14th ed. Addison Wesley Longman, 2001.