APA aipamena

Ehninger, D. (1982). Principles and types of speech communication (9th ed.). Scott, Foresman.

Chicago Style aipamena

Ehninger, Douglas. Principles and Types of Speech Communication. 9th ed. Glenview, Ill: Scott, Foresman, 1982.

MLA aipamena

Ehninger, Douglas. Principles and Types of Speech Communication. 9th ed. Scott, Foresman, 1982.

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