Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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