APA (7 वां संस्करण) प्रशस्ति पत्र
Wellman, C. H., & Cole, P. (2011). Debating the ethics of immigration: Is there a right to exclude? Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Wellman, Christopher Heath, और Phillip Cole. Debating the Ethics of Immigration: Is There a Right to Exclude? Oxford: Oxford University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Wellman, Christopher Heath, और Phillip Cole. Debating the Ethics of Immigration: Is There a Right to Exclude? Oxford University Press, 2011.
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