APA (7. basım) Alıntı

Verderber, R. F. (1979). The challenge of effective speaking (4th ed.). Wadsworth Pub. Co..

Chicago Style (17. basım) Atıf

Verderber, Rudolph F. The Challenge of Effective Speaking. 4th ed. Belmont, Calif.: Wadsworth Pub. Co., 1979.

MLA (9th ed.) Atıf

Verderber, Rudolph F. The Challenge of Effective Speaking. 4th ed. Wadsworth Pub. Co., 1979.