Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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