Dyfyniad APA

Ehninger, D. W., Gronbeck, B. E., & Monroe, A. H. (1979). Principles of speech communication (8th brief ed.). Scott, Foresman.

Dyfyniad Arddull Chicago

Ehninger, Douglas W., Bruce E. Gronbeck, and Alan H. Monroe. Principles of Speech Communication. 8th brief ed. Glenview, Illinois: Scott, Foresman, 1979.

Dyfyniad MLA

Ehninger, Douglas W., et al. Principles of Speech Communication. 8th brief ed. Scott, Foresman, 1979.

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