Adams, I., & Dyson, R. W. (2003). Fifty major political thinkers. Routledge.
Lua i Stíl Chicago (17ú heag.)Adams, Ian, agus R. W. Dyson. Fifty Major Political Thinkers. London: Routledge, 2003.
Lua MLA (9ú heag.)Adams, Ian, agus R. W. Dyson. Fifty Major Political Thinkers. Routledge, 2003.
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