International Conference on Multiple Criteria Decision Making Hagen, Arnsberg, Germany, Fandel, G., Gal, T., & Hanne, T. (1997). Multiple criteria decision making: Proceedings of the twelfth International Conference, Hagen (Germany). Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference on Multiple Criteria Decision Making Hagen, Arnsberg, Germany, G. Fandel, Tomas Gal, και Thomas Hanne. Multiple Criteria Decision Making: Proceedings of the Twelfth International Conference, Hagen (Germany). Berlin ; Heidelberg: Springer, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)International Conference on Multiple Criteria Decision Making Hagen, Arnsberg, Germany, et al. Multiple Criteria Decision Making: Proceedings of the Twelfth International Conference, Hagen (Germany). Springer, 1997.