Department, G. (2019). Introduction to Economics. Obafemi Awolowo University.
Chicagoスタイル(17版)引用形式Department, Geography. Introduction to Economics. Obafemi Awolowo University, 2019.
MLA(9版)引用形式Department, Geography. Introduction to Economics. Obafemi Awolowo University, 2019.
警告: この引用は必ずしも正確ではありません.