Dyfyniad APA

Egan, J. (2015). Marketing communications (2nd.ed.). Sage Publications.

Dyfyniad Arddull Chicago

Egan, John. Marketing Communications. 2nd.ed. Los Angeles: Sage Publications, 2015.

Dyfyniad MLA

Egan, John. Marketing Communications. 2nd.ed. Sage Publications, 2015.

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