Demers, M. N. (1999). Fundamentals of geographic information systems (2nd ed.). New york: John Wiley.
Chicago Style CitationDemers, Michael N. Fundamentals of Geographic Information Systems. 2nd ed. New york: John Wiley, 1999.
MLA CitationDemers, Michael N. Fundamentals of Geographic Information Systems. 2nd ed. New york: John Wiley, 1999.
Warning: These citations may not always be 100% accurate.