Heinich, R., & Molenda, M. (1993). Instructional media and the new technologies of instruction. Macmillan.
Cita Chicago (17th ed.)Heinich, Robert, i Michael Molenda. Instructional Media and the New Technologies of Instruction. New York: Macmillan, 1993.
Cita MLA (9th ed.)Heinich, Robert, i Michael Molenda. Instructional Media and the New Technologies of Instruction. Macmillan, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.