Bryman, A. (2016). Social research methods (5th edition.). Oxford University Press.
Cita Chicago (17th ed.)Bryman, Alan. Social Research Methods. 5th edition. New York: Oxford University Press, 2016.
Cita MLA (8th ed.)Bryman, Alan. Social Research Methods. 5th edition. Oxford University Press, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.