Koh, E. L. (1958). The colloquium as a method of instruction. Education Quarterly.
Čikaški stil citiranja (17. izdanje)Koh, Eusebio L. "The Colloquium as a Method of Instruction." Education Quarterly 1958.
MLA način citiranja (9. izdanje)Koh, Eusebio L. "The Colloquium as a Method of Instruction." Education Quarterly, 1958.
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