Neirick. When Pigs Could Fly and Bears Could Dance. University of Wisconsin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNeirick. When Pigs Could Fly and Bears Could Dance. University of Wisconsin Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNeirick. When Pigs Could Fly and Bears Could Dance. University of Wisconsin Press.
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