Não informado. (1988). Information executive. Data Processing Management Association.
Chicago-referens (17:e uppl.)Não informado. Information Executive. Park Ridge, Ill: Data Processing Management Association, 1988.
MLA-referens (8:e uppl.)Não informado. Information Executive. Data Processing Management Association, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.