Zikmun, W. G. [. (2016). Business Research Methods.: 8th ed (8th ed.). Cenage.
Chicago Style (17. basım) AtıfZikmun, William G. [et.al]. Business Research Methods.: 8th Ed. 8th ed. New Delhi: Cenage, 2016.
MLA (9th ed.) AtıfZikmun, William G. [et.al]. Business Research Methods.: 8th Ed. 8th ed. Cenage, 2016.
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