SpringerLink (Online service), Martino, S. D., Peron, A., & Tezuka, T. (2012). Web and Wireless Geographical Information Systems: 11th International Symposium, W2GIS 2012, Naples, Italy, April 12-13, 2012. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Sergio Di Martino, Adriano Peron, και Taro Tezuka. Web and Wireless Geographical Information Systems: 11th International Symposium, W2GIS 2012, Naples, Italy, April 12-13, 2012. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Web and Wireless Geographical Information Systems: 11th International Symposium, W2GIS 2012, Naples, Italy, April 12-13, 2012. Proceedings. Springer Berlin Heidelberg, 2012.
