Não informado. (1999). Managing system development. Applied Computer Research.
Chicago-Zitierstil (17. Ausg.)Não informado. Managing System Development. Phoenix, Ariz: Applied Computer Research, 1999.
MLA-Zitierstil (8. Ausg.)Não informado. Managing System Development. Applied Computer Research, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.