Dyfyniad APA

Zikmund,William G, & D'Amico,Michael. (2001). Marketing (7.). South-Western.

Dyfyniad Arddull Chicago

Zikmund,William G, and D'Amico,Michael. Marketing. 7. Australia: South-Western, 2001.

Dyfyniad MLA

Zikmund,William G, and D'Amico,Michael. Marketing. 7. South-Western, 2001.

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