Faas, E. (1983). Young Robert Duncan: Portrait of the poet as homosexual in society. Black Sparrow Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFaas, Ekbert. Young Robert Duncan: Portrait of the Poet as Homosexual in Society. Santa Barbara: Black Sparrow Press, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFaas, Ekbert. Young Robert Duncan: Portrait of the Poet as Homosexual in Society. Black Sparrow Press, 1983.
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