Kahn, J., & Klein, J. J. 1. (1914). Principles and methods in commercial education ; a textbook for teachers, students and business men. The Macmillan company.
Style de citation Chicago (17e éd.)Kahn, Joseph, et Joseph Jerome 1884 Klein. Principles and Methods in Commercial Education ; a Textbook for Teachers, Students and Business Men. New York: The Macmillan company, 1914.
Style de citation MLA (9e éd.)Kahn, Joseph, et Joseph Jerome 1884 Klein. Principles and Methods in Commercial Education ; a Textbook for Teachers, Students and Business Men. The Macmillan company, 1914.
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