Kemp, J. E., & Smellie, D. C. (1989). Planning, producing, and using instructional media (6th ed.). Harper & Row.
Citazione stile Chigago Style (17a edizione)Kemp, Jerrold E., e Don C. Smellie. Planning, Producing, and Using Instructional Media. 6th ed. New York: Harper & Row, 1989.
Citatione MLA (8a ed.)Kemp, Jerrold E., e Don C. Smellie. Planning, Producing, and Using Instructional Media. 6th ed. Harper & Row, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.