Davis, B. E. (2001). GIS: A visual approach (2nd ed.). Delmar Thomson Learning.
Chicago Style (17th ed.) CitationDavis, Bruce Ellsworth. GIS: A Visual Approach. 2nd ed. Albany: Delmar Thomson Learning, 2001.
MLA (9th ed.) CitationDavis, Bruce Ellsworth. GIS: A Visual Approach. 2nd ed. Delmar Thomson Learning, 2001.
Warning: These citations may not always be 100% accurate.