(2003). Teaching and learning at a distance: Foundations of distance education. Upper Saddle River, N.J: Merrill/Prentice Hall.
Styl cytowania ChicagoTeaching and Learning At a Distance: Foundations of Distance Education. Upper Saddle River, N.J: Merrill/Prentice Hall, 2003.
Styl cytowania MLATeaching and Learning At a Distance: Foundations of Distance Education. Upper Saddle River, N.J: Merrill/Prentice Hall, 2003.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..