Eraut, M. (1989). The International encyclopedia of educational technology. Pergamon Press.
Cita Chicago (17th ed.)Eraut, Michael. The International Encyclopedia of Educational Technology. Oxford, England ; New York: Pergamon Press, 1989.
Cita MLA (8th ed.)Eraut, Michael. The International Encyclopedia of Educational Technology. Pergamon Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.