APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Ekelund, R. B. (1996). Sacred trust: The medieval church as an economic firm. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Robert B. Ekelund. Sacred Trust: The Medieval Church as an Economic Firm. New York: Oxford University Press, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Robert B. Ekelund. Sacred Trust: The Medieval Church as an Economic Firm. Oxford University Press, 1996.
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