Gaya APA

Brandes, P, D., Walwik, T, J. (1967). A Research manual for the performance course in speech : oral communication/fundamentals of speech/public speaking/argumentation and debate discussion/persuasion . New York: Harper and Row.

Gaya MLA

Brandes, Paul, D.., Walwik, Theodore, J.. "A Research manual for the performance course in speech : oral communication/fundamentals of speech/public speaking/argumentation and debate discussion/persuasion". New York: Harper and Row, 1967. Text.