DeMers, M. N. (2000). Fundamentals of geographic information systems. Wiley.
Cita Chicago (17th ed.)DeMers, Michael N. Fundamentals of Geographic Information Systems. New York: Wiley, 2000.
Cita MLA (9th ed.)DeMers, Michael N. Fundamentals of Geographic Information Systems. Wiley, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.