SpringerLink (Online service), Cornuejols, G., Burkard, R. E., & Woeginger, G. J. (1999). Integer Programming and Combinatorial Optimization: 7th International IPCO Conference, Graz, Austria, June 9-11, 1999, Proceedings (1st ed. 1999.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-48777-8
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Gerard Cornuejols, Rainer E. Burkard, και Gerhard J. Woeginger. Integer Programming and Combinatorial Optimization: 7th International IPCO Conference, Graz, Austria, June 9-11, 1999, Proceedings. 1st ed. 1999. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48777-8.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Integer Programming and Combinatorial Optimization: 7th International IPCO Conference, Graz, Austria, June 9-11, 1999, Proceedings. 1st ed. 1999. Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-48777-8.
