APA (7th ed.) Zitazioa
Turk, C. (1985). Effective speaking: Communicating in speech. Chapman and Hall.
Chicago Style (17th ed.) Zitazioa
Turk, Christopher. Effective Speaking: Communicating in Speech. London ; New York: Chapman and Hall, 1985.
MLA (9th ed.) Zitazioa
Turk, Christopher. Effective Speaking: Communicating in Speech. Chapman and Hall, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.