Wylie. Geoffrey Hill's later work. Manchester University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWylie. Geoffrey Hill's Later Work. Manchester University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWylie. Geoffrey Hill's Later Work. Manchester University Press.
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