Dyfyniad APA

Chang, K. (2002). Introduction to geographic information systems. New Delhi: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Chang, Kang-Tsung. Introduction to Geographic Information Systems. New Delhi: McGraw-Hill Higher Education, 2002.

Dyfyniad MLA

Chang, Kang-Tsung. Introduction to Geographic Information Systems. New Delhi: McGraw-Hill Higher Education, 2002.

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