Kemp, J. E., & Smellie, D. C. (1989). Planning, producing, and using instructional media (6th ed.). Harper & Row.
Lua i Stíl Chicago (17ú heag.)Kemp, Jerrold E., agus Don C. Smellie. Planning, Producing, and Using Instructional Media. 6th ed. New York: Harper & Row, 1989.
Lua MLA (8ú heag.)Kemp, Jerrold E., agus Don C. Smellie. Planning, Producing, and Using Instructional Media. 6th ed. Harper & Row, 1989.
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