APA (7e ed.) Bronvermelding

Não informado. (1989). Educational Technology Research and Development. Association for Educational Communications and Technology.

Chicago (17e ed.) Bronvermelding

Não informado. Educational Technology Research and Development. Washington: Association for Educational Communications and Technology, 1989.

MLA (8e ed.) Bronvermelding

Não informado. Educational Technology Research and Development. Association for Educational Communications and Technology, 1989.

Let op: Deze citaties zijn niet altijd 100% accuraat.