Παραπομπή APA

Korte, G. B. (2001). The GIS book/5th Ed (5th Ed.). Thomson Learning.

Παραπομπή Chicago Style

Korte, George B. The GIS Book/5th Ed. 5th Ed. Bangalore: Thomson Learning, 2001.

Παραπομπή MLA

Korte, George B. The GIS Book/5th Ed. 5th Ed. Thomson Learning, 2001.