Bernhardsen, T. (2014). Geographic Information Systems: An introduction. Wiley.
Chicagoスタイル(17版)引用形式Bernhardsen, Tor. Geographic Information Systems: An Introduction. New Delhi: Wiley, 2014.
MLA(9版)引用形式Bernhardsen, Tor. Geographic Information Systems: An Introduction. Wiley, 2014.
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