APA aipamena

Cooper, D. R., & Schindler, P. S. (2014). Business research methods. New York: McGraw Hill.

Chicago Style aipamena

Cooper, Donald R., và Pamela S. Schindler. Business Research Methods. New York: McGraw Hill, 2014.

MLA aipamena

Cooper, Donald R., và Pamela S. Schindler. Business Research Methods. New York: McGraw Hill, 2014.

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