Howes, V. M. (1970). Individualization of instruction: A teaching strategy. Collier-Macmillan.
Čikaški stil citiranja (17. izdanje)Howes, Virgil M. Individualization of Instruction: A Teaching Strategy. London: Collier-Macmillan, 1970.
MLA način citiranja (8. izdanje)Howes, Virgil M. Individualization of Instruction: A Teaching Strategy. Collier-Macmillan, 1970.
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