APA aipamena

COOPER, D. R., & SCHINDLER, P. S. (2011). Business research methods. McGraw-Hill Book Company.

Chicago Style aipamena

COOPER, Donald R., and Pamela S. SCHINDLER. Business Research Methods. McGraw-Hill Book Company, 2011.

MLA aipamena

COOPER, Donald R., and Pamela S. SCHINDLER. Business Research Methods. McGraw-Hill Book Company, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.