Association for Educational and Training Technology. (1989). International yearbook of educational and training technology. Kogan Page.
Chicago-Zitierstil (17. Ausg.)Association for Educational and Training Technology. International Yearbook of Educational and Training Technology. London: Kogan Page, 1989.
MLA-Zitierstil (9. Ausg.)Association for Educational and Training Technology. International Yearbook of Educational and Training Technology. Kogan Page, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.