Plomp, T., & Ely, D. P. (1996). International encyclopedia of educational technology (2nd ed.). Pergamon.
Chicago Style (17th ed.) CitationPlomp, Tjeerd, and Donald P. Ely. International Encyclopedia of Educational Technology. 2nd ed. Oxford: Pergamon, 1996.
MLA (9th ed.) CitationPlomp, Tjeerd, and Donald P. Ely. International Encyclopedia of Educational Technology. 2nd ed. Pergamon, 1996.
Warning: These citations may not always be 100% accurate.