Bernhardsen, T. (2011). Geographic information systems: An introduction (3rd ed.). Wiley.
シカゴスタイル引用形Bernhardsen, Tor. Geographic Information Systems: An Introduction. 3rd ed. New Delhi: Wiley, 2011.
MLA引用形式Bernhardsen, Tor. Geographic Information Systems: An Introduction. 3rd ed. Wiley, 2011.
警告: この引用は必ずしも正確ではありません.