Bryman, . A., & Bell, E. (2011). Business research methods (3rd ed.). Oxford University Press.
Chicago Stili AlıntıBryman, Alan, ve Emma Bell. Business Research Methods. 3rd ed. New Delhi: Oxford University Press, 2011.
MLA AlıntıBryman, Alan, ve Emma Bell. Business Research Methods. 3rd ed. Oxford University Press, 2011.
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