Cita APA (7th ed.)
Turk, C. (1985). Effective speaking: Communicating in speech. Chapman and Hall.
Cita Chicago (17th ed.)
Turk, Christopher. Effective Speaking: Communicating in Speech. London ; New York: Chapman and Hall, 1985.
Cita MLA (9th ed.)
Turk, Christopher. Effective Speaking: Communicating in Speech. Chapman and Hall, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.