Dyfyniad APA

Zikmund, W. G. (2003). Business Research Methods (3rd.). Thomson Learning.

Dyfyniad Arddull Chicago

Zikmund, William G. Business Research Methods. 3rd. New Delhi: Thomson Learning, 2003.

Dyfyniad MLA

Zikmund, William G. Business Research Methods. 3rd. Thomson Learning, 2003.

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