Gorr, W. L., & Kurland, K. S. (2007). Learning and using geographic information systems: ArcGIS edition. Thomson/Course Technology.
Chicago Style (17th ed.) CitationGorr, Wilpen L., and Kristen Seamens Kurland. Learning and Using Geographic Information Systems: ArcGIS Edition. Boston, Mass: Thomson/Course Technology, 2007.
MLA (8th ed.) CitationGorr, Wilpen L., and Kristen Seamens Kurland. Learning and Using Geographic Information Systems: ArcGIS Edition. Thomson/Course Technology, 2007.
Warning: These citations may not always be 100% accurate.