Citazione APA

Gorr, W. L., & Kurland, K. S. (2009). GIS Tutorial for Health, Updated for ArcGIS 9.3 (3.).

Stile di citazione Chicago

Gorr, Wilpen L., e Kristen S. Kurland. GIS Tutorial for Health, Updated for ArcGIS 9.3. 3. California, ESRI Press Academic, 2009.

Citazione MLA

Gorr, Wilpen L., e Kristen S. Kurland. GIS Tutorial for Health, Updated for ArcGIS 9.3. 3. 2009.