APA aipamena

Lucas, E. S. (2004). The art of public speaking. Boston: McGraw-Hill.

Chicago Style aipamena

Lucas, E. Stenphen. The Art of Public Speaking. Boston: McGraw-Hill, 2004.

MLA aipamena

Lucas, E. Stenphen. The Art of Public Speaking. Boston: McGraw-Hill, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.