Παραπομπή APA
Frase, C. E. (1931). The case method of instruction: A related series of articles. New York: McGraw-Hill book company, inc..
Παραπομπή Chicago StyleFrase, Cecil Eaton. The Case Method of Instruction: A Related Series of Articles. New York: McGraw-Hill book company, inc., 1931.
Παραπομπή MLAFrase, Cecil Eaton. The Case Method of Instruction: A Related Series of Articles. New York: McGraw-Hill book company, inc., 1931.
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