APA aipamena

Cooper, D. R., & Schindler, P. S. (2006). Business research methods (9th ed.). Boston: McGraw-Hill Irwin.

Chicago Style aipamena

Cooper, Donald R., và Pamela S. Schindler. Business Research Methods. 9th ed. Boston: McGraw-Hill Irwin, 2006.

MLA aipamena

Cooper, Donald R., và Pamela S. Schindler. Business Research Methods. 9th ed. Boston: McGraw-Hill Irwin, 2006.

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