Dyfyniad APA

DeVito, J. A. (2009). The interpersonal communication book (12th ed.). Pearson Education.

Dyfyniad Arddull Chicago

DeVito, Joseph A. The Interpersonal Communication Book. 12th ed. Boston, MA: Pearson Education, 2009.

Dyfyniad MLA

DeVito, Joseph A. The Interpersonal Communication Book. 12th ed. Pearson Education, 2009.

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