Dyfyniad APA

Roy M Berko. (2004). Communicating: A Social and Career Focus.

Dyfyniad Arddull Chicago

Roy M Berko. Communicating: A Social and Career Focus. Houghton Mifflin Company, Boston, 2004.

Dyfyniad MLA

Roy M Berko. Communicating: A Social and Career Focus. 2004.

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