SpringerLink (Online service), Carswell, J. D., Fotheringham, A. S., & McArdle, G. (2009). Web and Wireless Geographical Information Systems: 9th International Symposium, W2GIS 2009, Maynooth, Ireland, December 7-8, 2009. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), James D. Carswell, A. Stewart Fotheringham, και Gavin McArdle. Web and Wireless Geographical Information Systems: 9th International Symposium, W2GIS 2009, Maynooth, Ireland, December 7-8, 2009. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Web and Wireless Geographical Information Systems: 9th International Symposium, W2GIS 2009, Maynooth, Ireland, December 7-8, 2009. Proceedings. Springer Berlin Heidelberg, 2009.
