APA (7th ed.) Zitazioa

Osborn, M., & Osborn, S. (1988). Public speaking. Houghton Mifflin.

Chicago Style (17th ed.) Zitazioa

Osborn, Michael, eta Suzanne Osborn. Public Speaking. Boston: Houghton Mifflin, 1988.

MLA (9th ed.) Zitazioa

Osborn, Michael, eta Suzanne Osborn. Public Speaking. Houghton Mifflin, 1988.