Maddux, C. D. (1992). Distance education: A selected bibliography. (Volume Seven in the Eduational Technology selected Bibliography series). Englewood Cliffs, NJ: Educational Technology Publications.
Mood, T. A. (1995). Distance education: An annotated bibliography. Englewood, CO: Libraries Unlimited.
Ostendorf, V. A. (1994). The Two-way video classroom.Littleton, CO: Virginia A. Ostendorf, Inc.
Parker, L. A., Parker, A. L., & Hough, J. (1997). Making connections: Tips, tactics & strategies that work for distance educators. Stillwater, OK: Teletraining Institute.
Portway, P. S. & Lane, C. (Ed.). (1994). Guide to teleconferenceing & distance learning, 2nd edition. Livermore, CA: Applied Business teleCommunications.
Schlosser, D. B. & Anderson, M. (1994). Distance education: A review of the literature. Washington, DC: Association for Educational Communications & Technology.
U.S. Congress, Office of Technology Assessment. (1989). Linking for learning: A new course for education. Washington, DC: U.S. Government Printing Office, OTA-SET-0430.
Verduin Jr., J. R. & Clark, T. A. (1991). Distance education: The foundations of effective practice. San Francisco: Jossey-Bass.
Willis, B. (1992). Instructional development for distance education. (ERIC Digest No. ED351007). Syracuse, NY: ERIC Clearinghouse on Information Resources.
Willis, B. (1993). Distance education: A practical guide. Englewood Cliffs, NJ: Educational Technology Publications.
Willis, B. (Ed.). (1994). Distance education: Strategies and tools. Englewood Cliffs, NJ: Educational Technology Publications.