Lockard, J. (1992). Instructional software: Practical design and development. Wm. C. Brown Publishers.
Chicago-referens (17:e uppl.)Lockard, James. Instructional Software: Practical Design and Development. Dubuque, Iowa: Wm. C. Brown Publishers, 1992.
MLA-referens (8:e uppl.)Lockard, James. Instructional Software: Practical Design and Development. Wm. C. Brown Publishers, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.