Cita APA

Chang, K. (2008). Introduction to geographic information systems (4th ed.). McGraw-Hill.

Chicago Edition Citation

Chang, Kang-Tsung. Introduction to Geographic Information Systems. 4th ed. Boston: McGraw-Hill, 2008.

Cita MLA

Chang, Kang-Tsung. Introduction to Geographic Information Systems. 4th ed. McGraw-Hill, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.