Dyfyniad APA

Gronbeck, B. E. (1994). Principles and types of speech communication (12th ed.). Busy Book Distributors.

Dyfyniad Arddull Chicago

Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. Quezon City: Busy Book Distributors, 1994.

Dyfyniad MLA

Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. Busy Book Distributors, 1994.

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