Dyfyniad APA

Geography, D. o. (2019). Principles of Geographic Information Sytem. Obafemi Awolowo University.

Dyfyniad Arddull Chicago

Geography, Department of. Principles of Geographic Information Sytem. Obafemi Awolowo University, 2019.

Dyfyniad MLA

Geography, Department of. Principles of Geographic Information Sytem. Obafemi Awolowo University, 2019.

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