Chang, K. (2006). Introduction to geographic information systems (3rd ed.). Tata McGraw-Hill.
Chicago-stil citatChang, Kang-tsung. Introduction to Geographic Information Systems. 3rd ed. New Delhi: Tata McGraw-Hill, 2006.
MLA-referensChang, Kang-tsung. Introduction to Geographic Information Systems. 3rd ed. Tata McGraw-Hill, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.