Zikmund, W. G. (2003). Business research methods (7th ed.). Thomson/South-Western.
Chicago Style (17. basım) AtıfZikmund, William G. Business Research Methods. 7th ed. Mason, OH: Thomson/South-Western, 2003.
MLA (8th ed.) AtıfZikmund, William G. Business Research Methods. 7th ed. Thomson/South-Western, 2003.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..