Vincent, A. (2004). The nature of political theory. Oxford University Press. https://doi.org/10.1093/0199271259.001.0001
Cita Chicago (17th ed.)Vincent, Andrew. The Nature of Political Theory. Oxford, New York: Oxford University Press, 2004. https://doi.org/10.1093/0199271259.001.0001.
Cita MLA (9th ed.)Vincent, Andrew. The Nature of Political Theory. Oxford University Press, 2004. https://doi.org/10.1093/0199271259.001.0001.
Atenció: Aquestes cites poden no estar 100% correctes.