APA ציטוט

Cooper, D. R. (2006). Business research methods. Boston, MA: McGraw-Hill/Irvin.

Trích dẫn kiểu Chicago

Cooper, Donald R. Business Research Methods. Boston, MA: McGraw-Hill/Irvin, 2006.

ציטוט MLA

Cooper, Donald R. Business Research Methods. Boston, MA: McGraw-Hill/Irvin, 2006.