APA (7 वां संस्करण) प्रशस्ति पत्र
Bookstaber, P. D. (1950). The idea of development of the soul in medieval jewish philosophy. Philadelphia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bookstaber, Philip David. The Idea of Development of the Soul in Medieval Jewish Philosophy. Yaunice Jacoby: Philadelphia, 1950.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bookstaber, Philip David. The Idea of Development of the Soul in Medieval Jewish Philosophy. Philadelphia, 1950.
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