Cita APA (7th ed.)

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.