Eraut, M. (1989). The International encyclopedia of educational technology. Pergamon Press.
Dyfyniad Arddull ChicagoEraut, Michael. The International Encyclopedia of Educational Technology. Oxford, England ; New York: Pergamon Press, 1989.
Dyfyniad MLAEraut, Michael. The International Encyclopedia of Educational Technology. Pergamon Press, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.