Cita APA

Verderber, R. F. (1982). The challenge of effective speaking (5th ed.). Wadsworth.

Citación estilo Chicago

Verderber, Rudolph F. The Challenge of Effective Speaking. 5th ed. Califonia: Wadsworth, 1982.

Cita MLA

Verderber, Rudolph F. The Challenge of Effective Speaking. 5th ed. Wadsworth, 1982.

Warning: These citations may not always be 100% accurate.