Barnard, A., & Burgess, T. (1996). Sociology explained. CUP.
Cita Chicago (17th ed.)Barnard, Andy, i Terry Burgess. Sociology Explained. New York: CUP, 1996.
Cita MLA (9th ed.)Barnard, Andy, i Terry Burgess. Sociology Explained. CUP, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.