Cita APA (7th ed.)
Bryman, A., & Foster, L. (2004). Social Research Methods (2nd ed.). Oxford University.
Cita Chicago (17th ed.)
Bryman, Alan, i Liam Foster. Social Research Methods. 2nd ed. New York: Oxford University, 2004.
Cita MLA (9th ed.)
Bryman, Alan, i Liam Foster. Social Research Methods. 2nd ed. Oxford University, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.