Demers , . M. N. (2000). Fundamentals of geographic information systems (2nd ed.). J. Wiley.
Chicago Style (17th ed.) ZitazioaDemers , Michael N. Fundamentals of Geographic Information Systems. 2nd ed. New York: J. Wiley, 2000.
MLA (9th ed.) ZitazioaDemers , Michael N. Fundamentals of Geographic Information Systems. 2nd ed. J. Wiley, 2000.
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