Citação APA (7ª ed.)

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

Citação do estilo Chicago (17ª ed.)

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

Citação MLA (8ª ed.)

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

警告:這些引文格式不一定是100%准確.