Não informado. (1992). Systems integration business. Cahners Publishing.
Chicago-referens (17:e uppl.)Não informado. Systems Integration Business. Newton, Mass: Cahners Publishing, 1992.
MLA-referens (8:e uppl.)Não informado. Systems Integration Business. Cahners Publishing, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.