APA (7 वां संस्करण) प्रशस्ति पत्र
Quirk, J. (2011). The anti-slavery project: From the slave trade to human trafficking. University of Pennsylvania Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Quirk, Joel. The Anti-slavery Project: From the Slave Trade to Human Trafficking. Philadelphia: University of Pennsylvania Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Quirk, Joel. The Anti-slavery Project: From the Slave Trade to Human Trafficking. University of Pennsylvania Press, 2011.
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