Howard, D. R., & Zacher, C. K. (1968). Critical studies of Sir Gawain and the Green Knight. University of Notre Dame Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoward, Donald Roy, और Christian K. Zacher. Critical Studies of Sir Gawain and the Green Knight. Notre Dame [Ind.]: University of Notre Dame Press, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHoward, Donald Roy, और Christian K. Zacher. Critical Studies of Sir Gawain and the Green Knight. University of Notre Dame Press, 1968.
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