Style de citation APA (7e éd.)

Verderber, R. F. (2008). The challenge of effective speaking (14th ed.). Thomson/Wadsworth Learning.

Style de citation Chicago (17e éd.)

Verderber, Rudolph F. The Challenge of Effective Speaking. 14th ed. Australia: Thomson/Wadsworth Learning, 2008.

Style de citation MLA (9e éd.)

Verderber, Rudolph F. The Challenge of Effective Speaking. 14th ed. Thomson/Wadsworth Learning, 2008.