APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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