Gorr, W. L., Kurland, K. S., Allen, D. W., & Coffey, J. M. (2008). GIS tutorial: For ArcGIS 10 (3a. ed.). ESRI Press.
Citación estilo ChicagoGorr, Wilpen L., Kristen S. Kurland, David W. Allen, and Jeffery M. Coffey. GIS Tutorial: For ArcGIS 10. 3a. ed. Redwood City: ESRI Press, 2008.
Cita MLAGorr, Wilpen L., et al. GIS Tutorial: For ArcGIS 10. 3a. ed. ESRI Press, 2008.
Warning: These citations may not always be 100% accurate.