Não informado. (1999). Managing system development. Applied Computer Research.
Chicago-referens (17:e uppl.)Não informado. Managing System Development. Phoenix, Ariz: Applied Computer Research, 1999.
MLA-referens (8:e uppl.)Não informado. Managing System Development. Applied Computer Research, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.