Dyfyniad APA

Zikmund, W. G. (2002). Exploring marketing research (8th ed.). Thomson south western.

Dyfyniad Arddull Chicago

Zikmund, William G. Exploring Marketing Research. 8th ed. Australia: Thomson south western, 2002.

Dyfyniad MLA

Zikmund, William G. Exploring Marketing Research. 8th ed. Thomson south western, 2002.

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