Williams, W., & Tressler, J. C. (1923). Composition and rhetoric by practice. D.C. Heath & Co., Publishers.
Lua i Stíl Chicago (17ú heag.)Williams, William, agus Jacob C. Tressler. Composition and Rhetoric by Practice. Boston ; New York [etc.]: D.C. Heath & Co., Publishers, 1923.
Lua MLA (8ú heag.)Williams, William, agus Jacob C. Tressler. Composition and Rhetoric by Practice. D.C. Heath & Co., Publishers, 1923.
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