Kennedy, Emmet (Jul–Sep 1979). „"Ideology" from Destutt De Tracy to Marx”. Journal of the History of Ideas40 (3): 353–368. DOI:10.2307/2709242. JSTOR2709242.edit
Kennedy, Emmet (Jul–Sep 1979). „"Ideology" from Destutt De Tracy to Marx”. Journal of the History of Ideas40 (3): 353–368. DOI:10.2307/2709242. JSTOR2709242.edit
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Kennedy, Emmet (Jul–Sep 1979). „"Ideology" from Destutt De Tracy to Marx”. Journal of the History of Ideas40 (3): 353–368. DOI:10.2307/2709242. JSTOR2709242.edit