Bernhardsen, T. (2002). Geographic information systems an introduction: An introduction. New York, NY: Wiley.
Chicago Style citaatBernhardsen, Tor. Geographic Information Systems an Introduction: An Introduction. New York, NY: Wiley, 2002.
MLA citatieBernhardsen, Tor. Geographic Information Systems an Introduction: An Introduction. New York, NY: Wiley, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.