Cita APA (7a ed.)
(1989). Educational technology research and development: ETR & D. Association for Educational Communications and Technology.
Cita Chicago Style (17a ed.)
Educational Technology Research and Development: ETR & D. Washington, D.C.: Association for Educational Communications and Technology, 1989.
Cita MLA (9a ed.)
Educational Technology Research and Development: ETR & D. Association for Educational Communications and Technology, 1989.
Precaución: Estas citas no son 100% exactas.