APA (7 वां संस्करण) प्रशस्ति पत्र
Cooper, B. (2009). Beginning the quest: Law and politics in the early work of Eric Voegelin. University of Missouri Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Cooper, Barry. Beginning the Quest: Law and Politics in the Early Work of Eric Voegelin. Columbia: University of Missouri Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Cooper, Barry. Beginning the Quest: Law and Politics in the Early Work of Eric Voegelin. University of Missouri Press, 2009.
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