APA-viite

(2003). Teaching and learning at a distance: Foundations of distance education. Upper Saddle River, N.J: Merrill/Prentice Hall.

Chicago-tyylinen lähdeviittaus

Teaching and Learning At a Distance: Foundations of Distance Education. Upper Saddle River, N.J: Merrill/Prentice Hall, 2003.

MLA-viite

Teaching and Learning At a Distance: Foundations of Distance Education. Upper Saddle River, N.J: Merrill/Prentice Hall, 2003.

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