Dyfyniad APA

Chang, K. (2006). Introduction to geographic information systems with data set cd-rom (Third edition.). McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Chang, Kang-Tsung. Introduction to Geographic Information Systems with Data Set Cd-rom. Third edition. Boston: McGraw-Hill Higher Education, 2006.

Dyfyniad MLA

Chang, Kang-Tsung. Introduction to Geographic Information Systems with Data Set Cd-rom. Third edition. McGraw-Hill Higher Education, 2006.

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