APA (7th ed.) Zitazioa

Nelson, P. E. (1990). Confidence in public speaking (4th ed.). Wm.C.Brown.

Chicago Style (17th ed.) Zitazioa

Nelson, Paul Edward. Confidence in Public Speaking. 4th ed. Iowa: Wm.C.Brown, 1990.

MLA (9th ed.) Zitazioa

Nelson, Paul Edward. Confidence in Public Speaking. 4th ed. Wm.C.Brown, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.