Cita APA

(1989). Educational technology research and development: ETR & D. Association for Educational Communications and Technology.

Citación estilo Chicago

Educational Technology Research and Development: ETR & D. Washington, D.C.: Association for Educational Communications and Technology, 1989.

Cita MLA

Educational Technology Research and Development: ETR & D. Association for Educational Communications and Technology, 1989.

Warning: These citations may not always be 100% accurate.