APA aipamena

Turk, C. (2003). Effective speaking: Communicating in speech. Spun Press.

Chicago Style aipamena

Turk, Christopher. Effective Speaking: Communicating in Speech. London: Spun Press, 2003.

MLA aipamena

Turk, Christopher. Effective Speaking: Communicating in Speech. Spun Press, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.