APA (7 वां संस्करण) प्रशस्ति पत्र
Gregory, J. (2014). Central counterparties: Mandatory clearing and bilateral margin requirements for OTC derivatives. John Wiley & Sons, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Gregory, Jon. Central Counterparties: Mandatory Clearing and Bilateral Margin Requirements for OTC Derivatives. West Sussex, England: John Wiley & Sons, Inc., 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gregory, Jon. Central Counterparties: Mandatory Clearing and Bilateral Margin Requirements for OTC Derivatives. John Wiley & Sons, Inc., 2014.
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