Parker, N., & Sim, S. (1997). The A-Z guide to modern social and political theorists. Prentice-Hall/Harvester Wheatsheaf.
Cita Chicago (17th ed.)Parker, Noel, i Stuart Sim. The A-Z Guide to Modern Social and Political Theorists. London: Prentice-Hall/Harvester Wheatsheaf, 1997.
Cita MLA (9th ed.)Parker, Noel, i Stuart Sim. The A-Z Guide to Modern Social and Political Theorists. Prentice-Hall/Harvester Wheatsheaf, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.