Citazione Stile APA (7a Edizione)

Cooper, D. R. (2001). Business research methods. McGraw-Hill/Irwin.

Citazione stile Chigago Style (17a edizione)

Cooper, Donald R. Business Research Methods. Boston: McGraw-Hill/Irwin, 2001.

Citatione MLA (9a ed.)

Cooper, Donald R. Business Research Methods. McGraw-Hill/Irwin, 2001.