APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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