APA aipamena

Bryman, . A., & Bell, E. (2011). Business research methods (3rd ed.). Oxford University Press.

Chicago Style aipamena

Bryman, Alan, and Emma Bell. Business Research Methods. 3rd ed. New Delhi: Oxford University Press, 2011.

MLA aipamena

Bryman, Alan, and Emma Bell. Business Research Methods. 3rd ed. Oxford University Press, 2011.