Gaarder, J., & translated by Paulette Moller67358. (2004). Sophie's world: Novel about the history of philosophy. Farrar.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGaarder, Jostein, और translated by Paulette Moller67358. Sophie's World: Novel About the History of Philosophy. New York: Farrar, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGaarder, Jostein, और translated by Paulette Moller67358. Sophie's World: Novel About the History of Philosophy. Farrar, 2004.
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