APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.