Smith, E. (1947). Teacher's card manual for ... Essentials in English, laboratory method. McCormick-Mathers Publishing Co..
Lua i Stíl Chicago (17ú heag.)Smith, Ellen. Teacher's Card Manual for ... Essentials in English, Laboratory Method. Witchita, Kansas : Columbus, Ohio [etc.]: McCormick-Mathers Publishing Co., 1947.
Lua MLA (8ú heag.)Smith, Ellen. Teacher's Card Manual for ... Essentials in English, Laboratory Method. McCormick-Mathers Publishing Co., 1947.
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