APA (7th ed.) Zitazioa

Osborn, M., & Osborn, S. (1994). Public Speaking (3rd ed.). Houghton Mifflin.

Chicago Style (17th ed.) Zitazioa

Osborn, Michael, eta Suzanne Osborn. Public Speaking. 3rd ed. Boston: Houghton Mifflin, 1994.

MLA (9th ed.) Zitazioa

Osborn, Michael, eta Suzanne Osborn. Public Speaking. 3rd ed. Houghton Mifflin, 1994.