APA (7th ed.) Zitazioa
Chang, K. (2006). Introduction to geographic information systems (3rd ed.). McGraw-Hill Higher Education.
Chicago Style (17th ed.) Zitazioa
Chang, Kang-Tsung. Introduction to Geographic Information Systems. 3rd ed. Boston: McGraw-Hill Higher Education, 2006.
MLA (9th ed.) Zitazioa
Chang, Kang-Tsung. Introduction to Geographic Information Systems. 3rd ed. McGraw-Hill Higher Education, 2006.
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