Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.