Geography, D. o. (2019). Principles of Geographic Information Sytem. Obafemi Awolowo University.
Chicagoスタイル(17版)引用形式Geography, Department of. Principles of Geographic Information Sytem. Obafemi Awolowo University, 2019.
MLA(9版)引用形式Geography, Department of. Principles of Geographic Information Sytem. Obafemi Awolowo University, 2019.
警告: この引用は必ずしも正確ではありません.