APA (7e ed.) Bronvermelding

Association for Educational and Training Technology. (1989). International yearbook of educational and training technology. Kogan Page.

Chicago (17e ed.) Bronvermelding

Association for Educational and Training Technology. International Yearbook of Educational and Training Technology. London: Kogan Page, 1989.

MLA (9e ed.) Bronvermelding

Association for Educational and Training Technology. International Yearbook of Educational and Training Technology. Kogan Page, 1989.