Simonson, M. R. (2000). Teaching and learning at a distance: Foundations of distance education. Merrill.
Chicago-Zitierstil (17. Ausg.)Simonson, Michael R. Teaching and Learning at a Distance: Foundations of Distance Education. Upper Saddle River, N.J: Merrill, 2000.
MLA-Zitierstil (9. Ausg.)Simonson, Michael R. Teaching and Learning at a Distance: Foundations of Distance Education. Merrill, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.