Lucas, H. (1992). The analysis design and implementation of information systems (4th.). Mc graw hill.
Chicago-referens (17:e uppl.)Lucas, Henry. The Analysis Design and Implementation of Information Systems. 4th. New york: Mc graw hill, 1992.
MLA-referens (9:e uppl.)Lucas, Henry. The Analysis Design and Implementation of Information Systems. 4th. Mc graw hill, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.