Lane, R. H. (1938). The progressive elementary school: A handbook for principals, teachers and parents. Houghton Mifflin Company.
Citace podle Chicago (17th ed.)Lane, Robert Hill. The Progressive Elementary School: A Handbook for Principals, Teachers and Parents. Boston, New York [etc.]: Houghton Mifflin Company, 1938.
Citace podle MLA (8th ed.)Lane, Robert Hill. The Progressive Elementary School: A Handbook for Principals, Teachers and Parents. Houghton Mifflin Company, 1938.
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