APA aipamena

Cooper, D. R. (2006). Business research methods. Boston, MA: McGraw-Hill/Irvin.

Chicago Style aipamena

Cooper, Donald R. Business Research Methods. Boston, MA: McGraw-Hill/Irvin, 2006.

MLA aipamena

Cooper, Donald R. Business Research Methods. Boston, MA: McGraw-Hill/Irvin, 2006.

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