APA aipamena

Cooper, D. R. S. (2010). Business Research Methods (11th.). Tata McGraw Hill.

Chicago Style aipamena

Cooper, Donald R.; Schindler. Business Research Methods. 11th. NEw Delhi: Tata McGraw Hill, 2010.

MLA aipamena

Cooper, Donald R.; Schindler. Business Research Methods. 11th. Tata McGraw Hill, 2010.