Heidt, E. U. (1978). Instructional media and the individual learner: A classification and systems appraisal (Rev. and enl. Eng. ed.). Nichols Pub.
Chicagoスタイル(17版)引用形式Heidt, Erhard U. Instructional Media and the Individual Learner: A Classification and Systems Appraisal. Rev. and enl. Eng. ed. New York: Nichols Pub, 1978.
MLA(9版)引用形式Heidt, Erhard U. Instructional Media and the Individual Learner: A Classification and Systems Appraisal. Rev. and enl. Eng. ed. Nichols Pub, 1978.
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