Phelps, W. L. (1918). The advance of English poetry in the twentieth century. Dodd, Mead and company.
Lua i Stíl Chicago (17ú heag.)Phelps, William Lyon. The Advance of English Poetry in the Twentieth Century. New York: Dodd, Mead and company, 1918.
Lua MLA (8ú heag.)Phelps, William Lyon. The Advance of English Poetry in the Twentieth Century. Dodd, Mead and company, 1918.
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