Decker, D. (2000). GIS data sources. J. Wiley & Sons.
Chicago Style (17th ed.) CitationDecker, Drew. GIS Data Sources. New York: J. Wiley & Sons, 2000.
MLA (9th ed.) CitationDecker, Drew. GIS Data Sources. J. Wiley & Sons, 2000.
Warning: These citations may not always be 100% accurate.