Unwin, D. (1969). Media and methods: Instructional technology in higher education. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Unwin, Derick. Media and Methods: Instructional Technology in Higher Education. Londres: McGraw-Hill, 1969.
Lua MLA (9ú heag.)Unwin, Derick. Media and Methods: Instructional Technology in Higher Education. McGraw-Hill, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.