Verderber, R. F. (1976). The challenge of effective speaking (3rd ed.). Wadsworth.
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Chicago Style (17th ed.) Citation
Verderber, Rudolph F. The Challenge of Effective Speaking. 3rd ed. Califonia: Wadsworth, 1976.
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MLA (9th ed.) Citation
Verderber, Rudolph F. The Challenge of Effective Speaking. 3rd ed. Wadsworth, 1976.
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