Leake, A. H. (1913). Industrial education: Its problems, methods and dangers. Houghton Mifflin company.
Chicago-referens (17:e uppl.)Leake, Albert H. Industrial Education: Its Problems, Methods and Dangers. Boston and New York: Houghton Mifflin company, 1913.
MLA-referens (8:e uppl.)Leake, Albert H. Industrial Education: Its Problems, Methods and Dangers. Houghton Mifflin company, 1913.
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