Callahan. Kin of Another Kind. University of Michigan Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCallahan. Kin of Another Kind. University of Michigan Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCallahan. Kin of Another Kind. University of Michigan Press.
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