Cooper, D. R. (2006). Business Research Methods (3rd ed.). Tata McGraw Hill Publishing.
Chicago Style (17. basım) AtıfCooper, Donald R. Business Research Methods. 3rd ed. New Delhi: Tata McGraw Hill Publishing, 2006.
MLA (9th ed.) AtıfCooper, Donald R. Business Research Methods. 3rd ed. Tata McGraw Hill Publishing, 2006.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..