Dyfyniad APA

Zikmund,Willam, & Babin, B. J. (2019). Essentials of marketing research (3 rd.). Cengage Learning India.

Dyfyniad Arddull Chicago

Zikmund,Willam, and Barry J. Babin. Essentials of Marketing Research. 3 rd. Delhi: Cengage Learning India, 2019.

Dyfyniad MLA

Zikmund,Willam, and Barry J. Babin. Essentials of Marketing Research. 3 rd. Cengage Learning India, 2019.

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