Não informado. (1991). Economic & Financial Computing. European Economics and Financial Centre.
Chicago-Zitierstil (17. Ausg.)Não informado. Economic & Financial Computing. London: European Economics and Financial Centre, 1991.
MLA-Zitierstil (8. Ausg.)Não informado. Economic & Financial Computing. European Economics and Financial Centre, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.