Holmberg, B. (1990). A bibliography of writings on distance education. Zentrales Inst. für Fernstudienforschung.
Chicago Style (17th ed.) CitationHolmberg, Börje. A Bibliography of Writings on Distance Education. Hagen: Zentrales Inst. für Fernstudienforschung, 1990.
MLA (9th ed.) CitationHolmberg, Börje. A Bibliography of Writings on Distance Education. Zentrales Inst. für Fernstudienforschung, 1990.
Warning: These citations may not always be 100% accurate.