Brown, L. S. e., & Perrin, P. G. 1. . j. e. (1950). A quarto of modern literature (3d ed.). Scribner.
Lua i Stíl Chicago (17ú heag.)Brown, Leonard Stanley ed, agus Porter Gale 1896- joint ed Perrin. A Quarto of Modern Literature. 3d ed. New York: Scribner, 1950.
Lua MLA (9ú heag.)Brown, Leonard Stanley ed, agus Porter Gale 1896- joint ed Perrin. A Quarto of Modern Literature. 3d ed. Scribner, 1950.
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