Holmberg, B. (1995). Theory and Practice of Distance Education. London/New York: Routledge.
Peters, O. (1998). Learning and Teaching in Distance Education - Analyses and Interpretations from an International Perspective. London: Kogan Page.
Moore, M. G., & Kearsley, G. (1996). Distance Education: A Systems View. Wadsworth, CA: Belmont.
Beaudoin, M. (2001, in press). Leadership in distance education: An appraisal of research and practice. In M. G. Moore (Ed.), Handbook of American Distance Education.
Beaudoin, M. (1998). A New Professoriate for the New Millennium. The Distance Education Online Symposium, 8(5).
Beaudoin, M. (1991). Researching Practice and Practicing Research: A Critique of Distance Education Research and Writing, American Center for the Study of Distance Education Research Monograph (Vol. 4).
Beaudoin, M. (1990). The instructor’s changing role in distance education. The American Journal of Distance Education, 4(2).
Holmberg, B. (1995). The evolution of the character and practice of distance education. Open Learning, June, 47 - 53.
Miller, G. (1987, November). Distance education in the United States: collaboration amid diversity. Open Learning, 23-27.
Moore, M. (1995). American Distance Education: A Short Literature Review. In F. Lockwood (Ed.), Open and Distance Learning Today (pp. 32 - 41). London, New York: Routledge.
Moore, M. G. (1993). Theory of Transactional Distance. In D. Keegan (Ed.), Theoretical Principles of Distance Education (pp. 22-38). London/New York: Routledge. Peters, O. (1999). A Pedagogical Model for Virtual Learning Space. Grundlagen der Weiterbildung - Praxishilfen, Luchterhand, 5.160.
Peters, O. (1994). Distance education and industrial production: a comparative interpretation in outline. In D. Keegan (Ed.), Otto Peters on Distance Education. The Industrialization of Teaching and Learning (pp. 107-127). London: Routledge.
Simonson, M., Schlosser, C., & Hanson, D. (1999). Theory and Distance Education. A New Discussion. The American Journal of Distance Education, 13(1), 60-75.