Bellamy, R. (1993). Theories and concepts of politics: An introduction. Manchester University Press.
Lua i Stíl Chicago (17ú heag.)Bellamy, Richard. Theories and Concepts of Politics: An Introduction. Manchester, U.K: Manchester University Press, 1993.
Lua MLA (9ú heag.)Bellamy, Richard. Theories and Concepts of Politics: An Introduction. Manchester University Press, 1993.
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