Freeden, M. Eugenics and progressive thought: A study in ideological affinity. Varia 11 : [Aufsatzsammlung].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreeden, Michael. "Eugenics and Progressive Thought: A Study in Ideological Affinity." Varia 11 : [Aufsatzsammlung] .
एमएलए (8वां संस्करण) प्रशस्ति पत्रFreeden, Michael. "Eugenics and Progressive Thought: A Study in Ideological Affinity." Varia 11 : [Aufsatzsammlung], .
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