SpringerLink (Online service), Raubal, M., Miller, H. J., Frank, A. U., & Goodchild, M. F. (2006). Geographic Information Science: 4th International Conference, GIScience 2006, Münster, Germany, September 20-23, 2006. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Martin Raubal, Harvey J. Miller, Andrew U. Frank, και Michael F. Goodchild. Geographic Information Science: 4th International Conference, GIScience 2006, Münster, Germany, September 20-23, 2006. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Geographic Information Science: 4th International Conference, GIScience 2006, Münster, Germany, September 20-23, 2006. Proceedings. Springer Berlin Heidelberg, 2006.
