Chang, K. (2008). Intriduction to Geographic Information Systems: Intriduction to Geographic Information Systems (4th Ed.). McGrew Hill.
Citazione stile Chigago Style (17a edizione)Chang, Kang-tsung. Intriduction to Geographic Information Systems: Intriduction to Geographic Information Systems. 4th Ed. Chennai: McGrew Hill, 2008.
Citatione MLA (9a ed.)Chang, Kang-tsung. Intriduction to Geographic Information Systems: Intriduction to Geographic Information Systems. 4th Ed. McGrew Hill, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.