Tohutoro APA (7th ed.)

Wittich, W. A. (1958). Audivisual materials: Their nature and use. Harper y Row.

Tohutoru Kātū Chicago

Wittich, Walter A. Audivisual Materials: Their Nature and Use. New York: Harper y Row, 1958.

Tohutoro MLA

Wittich, Walter A. Audivisual Materials: Their Nature and Use. Harper y Row, 1958.

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