APA (7e ed.) Bronvermelding

Bryman, A. (2012). Social research methods (4th ed.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

Bryman, Alan. Social Research Methods. 4th ed. Oxford ; New York: Oxford University Press, 2012.

MLA (8e ed.) Bronvermelding

Bryman, Alan. Social Research Methods. 4th ed. Oxford University Press, 2012.