Não informado. (1985). TechTrends. Association for Educational Communications and Technology.
Chicago-Zitierstil (17. Ausg.)Não informado. TechTrends. Washington: Association for Educational Communications and Technology, 1985.
MLA-Zitierstil (8. Ausg.)Não informado. TechTrends. Association for Educational Communications and Technology, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.