APA-viite (7. p.)
Chang, K. (2006). Introduction to geographic information systems (3rd ed.). McGraw-Hill Higher Education.
Chicago-viite (17. p.)
Chang, Kang-Tsung. Introduction to Geographic Information Systems. 3rd ed. Boston: McGraw-Hill Higher Education, 2006.
MLA-viite (9. p.)
Chang, Kang-Tsung. Introduction to Geographic Information Systems. 3rd ed. McGraw-Hill Higher Education, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.