APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.