APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.