SpringerLink (Online service), Kuhn, W., Worboys, M. F., & Timpf, S. (2003). Spatial Information Theory. Foundations of Geographic Information Science: International Conference, COSIT 2003, Ittingen, Switzerland, September 24-28, 2003, Proceedings (1st ed. 2003.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/b13481
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Werner Kuhn, Michael F. Worboys, και Sabine Timpf. Spatial Information Theory. Foundations of Geographic Information Science: International Conference, COSIT 2003, Ittingen, Switzerland, September 24-28, 2003, Proceedings. 1st ed. 2003. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b13481.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Spatial Information Theory. Foundations of Geographic Information Science: International Conference, COSIT 2003, Ittingen, Switzerland, September 24-28, 2003, Proceedings. 1st ed. 2003. Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b13481.
