Dyfyniad APA

Barrett, H. (1981). Practical uses of speech communication (5th ed.). Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Barrett, Harold. Practical Uses of Speech Communication. 5th ed. New York: Holt, Rinehart and Winston, 1981.

Dyfyniad MLA

Barrett, Harold. Practical Uses of Speech Communication. 5th ed. Holt, Rinehart and Winston, 1981.

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