Cita APA (7th ed.)

Gorr, W. L., Kurland, K. S., Allen, D. W., & Coffey, J. M. (2008). GIS tutorial: For ArcGIS 10 (3a. ed.). ESRI Press.

Cita Chicago (17th ed.)

Gorr, Wilpen L., Kristen S. Kurland, David W. Allen, i Jeffery M. Coffey. GIS Tutorial: For ArcGIS 10. 3a. ed. Redwood City: ESRI Press, 2008.

Cita MLA (9th ed.)

Gorr, Wilpen L., et al. GIS Tutorial: For ArcGIS 10. 3a. ed. ESRI Press, 2008.