Unwin, D. (1969). Media and methods: Instructional technology in higher education. McGraw-Hill.
Chicago-referens (17:e uppl.)Unwin, Derick. Media and Methods: Instructional Technology in Higher Education. Londres: McGraw-Hill, 1969.
MLA-referens (9:e uppl.)Unwin, Derick. Media and Methods: Instructional Technology in Higher Education. McGraw-Hill, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.