Dyfyniad APA

Chang, K. (2019). Introduction to Geographic Information Systems (24th.). Mc Graw Hill Education Pvt. Ltd.

Dyfyniad Arddull Chicago

Chang, Kang-Tsung. Introduction to Geographic Information Systems. 24th. Chennai: Mc Graw Hill Education Pvt. Ltd, 2019.

Dyfyniad MLA

Chang, Kang-Tsung. Introduction to Geographic Information Systems. 24th. Mc Graw Hill Education Pvt. Ltd, 2019.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.