Barnes, A. J. (1890). How to become expert in typewriting: A complete instructor designed especially for the Remington typewriter. A.J. Barnes.
Lua i Stíl Chicago (17ú heag.)Barnes, Arthur J. How to Become Expert in Typewriting: A Complete Instructor Designed Especially for the Remington Typewriter. St. Louis, Mo.: A.J. Barnes, 1890.
Lua MLA (8ú heag.)Barnes, Arthur J. How to Become Expert in Typewriting: A Complete Instructor Designed Especially for the Remington Typewriter. A.J. Barnes, 1890.
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