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