APA ציטוט

Zikmund, W. G. (1999). Essentials marketing research. Fort Worth, TX: Dryden Press.

Trích dẫn kiểu Chicago

Zikmund, William G. Essentials Marketing Research. Fort Worth, TX: Dryden Press, 1999.

ציטוט MLA

Zikmund, William G. Essentials Marketing Research. Fort Worth, TX: Dryden Press, 1999.