Mabogunje, A. (1997). The state of Earth: Contemporary geographic perspectives (1a. ed.). Blackwell.
Chicagoスタイル(17版)引用形式Mabogunje, Akin. The State of Earth: Contemporary Geographic Perspectives. 1a. ed. Oxford: Blackwell, 1997.
MLA(9版)引用形式Mabogunje, Akin. The State of Earth: Contemporary Geographic Perspectives. 1a. ed. Blackwell, 1997.
警告: この引用は必ずしも正確ではありません.