APA aipamena

Bryman, A., & Alan Bryman; Emma Bell. (2011). Business research methods. New York: Oxford University Press.

Chicago Style aipamena

Bryman, Alan, và Alan Bryman; Emma Bell. Business Research Methods. New York: Oxford University Press, 2011.

MLA aipamena

Bryman, Alan, và Alan Bryman; Emma Bell. Business Research Methods. New York: Oxford University Press, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.