Zikmund,William G. (2013). Essentials of Marketing Research (5th.). Cengage Learning.
Chicago Style (17. basım) AtıfZikmund,William G. Essentials of Marketing Research. 5th. Australia: Cengage Learning, 2013.
MLA (9th ed.) AtıfZikmund,William G. Essentials of Marketing Research. 5th. Cengage Learning, 2013.
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