Dyfyniad APA

Bettinghaus, E. (1973). Persuasive communication (2nd ed.). Holt Rinehart and Winston.

Dyfyniad Arddull Chicago

Bettinghaus, E.P. Persuasive Communication. 2nd ed. Holt Rinehart and Winston, 1973.

Dyfyniad MLA

Bettinghaus, E.P. Persuasive Communication. 2nd ed. Holt Rinehart and Winston, 1973.

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