APA aipamena

LUCAS, S. E. (1989). The Art Of Public Speaking Stephen E. Lucas. McGraw-Hill.

Chicago Style aipamena

LUCAS, Stephen E. The Art Of Public Speaking Stephen E. Lucas. McGraw-Hill, 1989.

MLA aipamena

LUCAS, Stephen E. The Art Of Public Speaking Stephen E. Lucas. McGraw-Hill, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.