Academy of American Poets & Warren, R. P. (1984). Fifty years of American poetry: Anniversary volume for the Academy of American Poets. Laurel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAcademy of American Poets और Robert Penn Warren. Fifty Years of American Poetry: Anniversary Volume for the Academy of American Poets. New York: Laurel, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAcademy of American Poets और Robert Penn Warren. Fifty Years of American Poetry: Anniversary Volume for the Academy of American Poets. Laurel, 1984.
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