APA-referens

(2002). Geographic information systems and environmetal modeling. Upper Saddle River, N.J: Prentice Hall.

Chicago-stil citat

Geographic Information Systems and Environmetal Modeling. Upper Saddle River, N.J: Prentice Hall, 2002.

MLA-referens

Geographic Information Systems and Environmetal Modeling. Upper Saddle River, N.J: Prentice Hall, 2002.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.