APA استشهاد

Alan Bryman & Emma Bell. (2007). Business research methods (2nd ed.). Oxford University Press.

استشهاد بنمط شيكاغو

Alan Bryman و Emma Bell. Business Research Methods. 2nd ed. New York: Oxford University Press, 2007.

MLA استشهاد

Alan Bryman و Emma Bell. Business Research Methods. 2nd ed. Oxford University Press, 2007.