APA (7e ed.) Bronvermelding

Chang, K. (2006). Introduction to geographic information systems (3rd ed.). McGraw-Hill Higher Education.

Chicago (17e ed.) Bronvermelding

Chang, Kang-Tsung. Introduction to Geographic Information Systems. 3rd ed. Boston: McGraw-Hill Higher Education, 2006.

MLA (8e ed.) Bronvermelding

Chang, Kang-Tsung. Introduction to Geographic Information Systems. 3rd ed. McGraw-Hill Higher Education, 2006.