APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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