Não informado. (1914). Industrial Arts and Vocational Education. CCM Professional Magazines.
Chicago-referens (17:e uppl.)Não informado. Industrial Arts and Vocational Education. Milwaukee, Wis: CCM Professional Magazines, 1914.
MLA-referens (8:e uppl.)Não informado. Industrial Arts and Vocational Education. CCM Professional Magazines, 1914.
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