Kandel, I. L. (1917). Federal aid for vocational education: A report to the Carnegie Foundation for the advancement of teaching. [s.n..
Citace podle Chicago (17th ed.)Kandel, Isaac Leon. Federal Aid for Vocational Education: A Report to the Carnegie Foundation for the Advancement of Teaching. New York City: [s.n., 1917.
Citace podle MLA (8th ed.)Kandel, Isaac Leon. Federal Aid for Vocational Education: A Report to the Carnegie Foundation for the Advancement of Teaching. [s.n., 1917.
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