Academy of American Poets & Warren, R. P. (1984). Fifty years of American poetry: Anniversary volume for the Academy of American Poets. Laurel.
Citace podle Chicago (17th ed.)Academy of American Poets a Robert Penn Warren. Fifty Years of American Poetry: Anniversary Volume for the Academy of American Poets. New York: Laurel, 1984.
Citace podle MLA (9th ed.)Academy of American Poets a Robert Penn Warren. Fifty Years of American Poetry: Anniversary Volume for the Academy of American Poets. Laurel, 1984.
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