APA Citatie

Bernhardsen, T. (2011). Geographic information systems: An introduction (3rd ed.). Wiley.

Chicago Style citaat

Bernhardsen, Tor. Geographic Information Systems: An Introduction. 3rd ed. New Delhi: Wiley, 2011.

MLA citatie

Bernhardsen, Tor. Geographic Information Systems: An Introduction. 3rd ed. Wiley, 2011.

Let op: Deze citaties zijn niet altijd 100% accuraat.