Cita APA

Schuller, C. F., & Wittich, W. A. (1962). Audio visual meterials: Their nature and use (3.). Harper & Row publishers.

Chicago Edition Citation

Schuller, Charles Francis, i Walter Arno Wittich. Audio Visual Meterials: Their Nature and Use. 3. New York: Harper & Row publishers, 1962.

Cita MLA

Schuller, Charles Francis, i Walter Arno Wittich. Audio Visual Meterials: Their Nature and Use. 3. Harper & Row publishers, 1962.