Smith. The American Mortgage System. University of Pennsylvania Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmith. The American Mortgage System. University of Pennsylvania Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSmith. The American Mortgage System. University of Pennsylvania Press.
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