APA aipamena

Cooper, D. R. S. (2012). Business Research Methods (11th ed.). McGraw Hill.

Chicago Style aipamena

Cooper, Donald R; Schindler. Business Research Methods. 11th ed. New Delhi: McGraw Hill, 2012.

MLA aipamena

Cooper, Donald R; Schindler. Business Research Methods. 11th ed. McGraw Hill, 2012.