APA (7e ed.) Bronvermelding

Chang, K. (2014). Introduction to Geographic Information Systems-with CD (4 th.). McGraw Hill Eduction Pvt. Ltd.

Chicago (17e ed.) Bronvermelding

Chang, Kang-tsung. Introduction to Geographic Information Systems-with CD. 4 th. New Delhi: McGraw Hill Eduction Pvt. Ltd, 2014.

MLA (9e ed.) Bronvermelding

Chang, Kang-tsung. Introduction to Geographic Information Systems-with CD. 4 th. McGraw Hill Eduction Pvt. Ltd, 2014.