Heinich, R., Molenda, M., & Russell, J. D. (1986). Instructional media and the new technologies of instruction (2nd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Heinich, Robert, Michael Molenda, agus James D. Russell. Instructional Media and the New Technologies of Instruction. 2nd ed. New York: Wiley, 1986.
Lua MLA (8ú heag.)Heinich, Robert, et al. Instructional Media and the New Technologies of Instruction. 2nd ed. Wiley, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.