Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Bernhardsen, T. (2002). Geographic information systems: An introduction (3rd ed.). Wiley.

Chicago Citation Edition Citation

Bernhardsen, Tor. Geographic Information Systems: An Introduction. 3rd ed. New York, NY: Wiley, 2002.

MLA Citation Edition Citation

Bernhardsen, Tor. Geographic Information Systems: An Introduction. 3rd ed. Wiley, 2002.