APA

Cooper D. R., Pamela S. Schindler, . (2008). Business Research Methods. Singapore: McGraw - Hill.

Chicago

Cooper Donald R, Pamela S. Schindler, . 2008. Business Research Methods. Singapore: McGraw - Hill.

Harvard

Cooper D. R., Pamela S. Schindler, . (2008). Business Research Methods. Singapore: McGraw - Hill.

MLA

Cooper Donald R, Pamela S. Schindler, . Business Research Methods. Singapore: McGraw - Hill. 2008.