Não informado. (1980). Instructional innovator. Association for Educational Communications and Technology.
Čikaški stil citiranja (17. izdanje)Não informado. Instructional Innovator. Washington: Association for Educational Communications and Technology, 1980.
MLA način citiranja (8. izdanje)Não informado. Instructional Innovator. Association for Educational Communications and Technology, 1980.
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