Whitaker. Wealth and the Will of God. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWhitaker. Wealth and the Will of God. Indiana University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWhitaker. Wealth and the Will of God. Indiana University Press.
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