APA aipamena

Cooper, D. R. (2006). Marketing research. New York: McGraw-Hill/Irwin.

Chicago Style aipamena

Cooper, Donald R. Marketing Research. New York: McGraw-Hill/Irwin, 2006.

MLA aipamena

Cooper, Donald R. Marketing Research. New York: McGraw-Hill/Irwin, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.