Dunham, B. (1967). Heroes & heretics: A political history of Western thought. Alfred A Knopf.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDunham, Barrows. Heroes & Heretics: A Political History of Western Thought. Alfred A Knopf, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDunham, Barrows. Heroes & Heretics: A Political History of Western Thought. Alfred A Knopf, 1967.
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