APA

Cooper D. R. S. P. S., . (1998). Business research methods. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Cooper Donald R Schindler Pamela S, . 1998. Business research methods. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Cooper D. R. S. P. S., . (1998). Business research methods. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Cooper Donald R Schindler Pamela S, . Business research methods. : TATA McGraw-Hill Publishing Company, New Delhi. 1998.