Heinich, R., & Molenda, M. (1993). Instructional media and the new technologies of instruction. Macmillan.
Dyfyniad Arddull ChicagoHeinich, Robert, and Michael Molenda. Instructional Media and the New Technologies of Instruction. New York: Macmillan, 1993.
Dyfyniad MLAHeinich, Robert, and Michael Molenda. Instructional Media and the New Technologies of Instruction. Macmillan, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.