Graeber, D., & Gardner, G. (2015). Debt--updated and expanded: The first 5,000 years (Unabridged.). Your Coach Digital.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGraeber, David, और Grover Gardner. Debt--updated and Expanded: The First 5,000 Years. Unabridged. Rego Park: Your Coach Digital, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGraeber, David, और Grover Gardner. Debt--updated and Expanded: The First 5,000 Years. Unabridged. Your Coach Digital, 2015.
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