APA-referens

Kang-tsung Chang. (2004). Introduction to geographic information systems. Boston, MA: McGraw-Hill.

Chicago-stil citat

Kang-tsung Chang. Introduction to Geographic Information Systems. Boston, MA: McGraw-Hill, 2004.

MLA-referens

Kang-tsung Chang. Introduction to Geographic Information Systems. Boston, MA: McGraw-Hill, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.