Não informado. (1991). Economic & Financial Computing. European Economics and Financial Centre.
Chicago-referens (17:e uppl.)Não informado. Economic & Financial Computing. London: European Economics and Financial Centre, 1991.
MLA-referens (8:e uppl.)Não informado. Economic & Financial Computing. European Economics and Financial Centre, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.