Summer Institute on Decision Support Systems. (1991). Sixth EURO Summer Institute on Decision Support Systems: (held in Madeira, Portugal, from May 26 through June 10, 1989). North-Holland.
Chicago-Zitierstil (17. Ausg.)Summer Institute on Decision Support Systems. Sixth EURO Summer Institute on Decision Support Systems: (held in Madeira, Portugal, from May 26 Through June 10, 1989). Amsterdam u.a: North-Holland, 1991.
MLA-Zitierstil (9. Ausg.)Summer Institute on Decision Support Systems. Sixth EURO Summer Institute on Decision Support Systems: (held in Madeira, Portugal, from May 26 Through June 10, 1989). North-Holland, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.