Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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