Haasis, H., Kopfer, H., & SchΓΆnberger, J. (2006). Operations Research Proceedings 2005: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Bremen, September 7β9, 2005. Springer-Verlag Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)Haasis, Hans-Dietrich, Herbert Kopfer, και JΓΆrn SchΓΆnberger. Operations Research Proceedings 2005: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Bremen, September 7β9, 2005. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)Haasis, Hans-Dietrich, et al. Operations Research Proceedings 2005: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Bremen, September 7β9, 2005. Springer-Verlag Berlin Heidelberg, 2006.