Dyfyniad APA

Zikmund, W. G. (2007). Essentials of marketing research. Mason, OH: Thomson/South-Western.

Dyfyniad Arddull Chicago

Zikmund, William G. Essentials of Marketing Research. Mason, OH: Thomson/South-Western, 2007.

Dyfyniad MLA

Zikmund, William G. Essentials of Marketing Research. Mason, OH: Thomson/South-Western, 2007.

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