Smith, E., McAnulty, L., & Hawkins, T. (1958). Essentials in English: Laboratory method. McCormick-Mathers Pub. Co..
Lua i Stíl Chicago (17ú heag.)Smith, Ellen, Leona McAnulty, agus Ted Hawkins. Essentials in English: Laboratory Method. Wichita, Kan ; Columbus, OH: McCormick-Mathers Pub. Co., 1958.
Lua MLA (8ú heag.)Smith, Ellen, et al. Essentials in English: Laboratory Method. McCormick-Mathers Pub. Co., 1958.
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