Erickson, C. W. H., & Curl, D. H. (1972). Fundamentals of teaching with audiovisual technology (2nd ed.). Macmillan.
Cita Chicago (17th ed.)Erickson, Carlton W. H., i David H. Curl. Fundamentals of Teaching with Audiovisual Technology. 2nd ed. New York: Macmillan, 1972.
Cita MLA (8th ed.)Erickson, Carlton W. H., i David H. Curl. Fundamentals of Teaching with Audiovisual Technology. 2nd ed. Macmillan, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.