Allen, R. R., Johannesen, R. L., & Linkugel, W. A. (1965). Contemporary American speeches: A source book speech forms and principles.
Chicago Stili AlıntıAllen, R R., Richard L. Johannesen, ve Wil A. Linkugel. Contemporary American Speeches: A Source Book Speech Forms and Principles. California, Wadsworth Publishing Company Inc, 1965.
MLA AlıntıAllen, R R., et al. Contemporary American Speeches: A Source Book Speech Forms and Principles. 1965.
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