(1988). Geography Regions And Concepts/ Harm J. De Blij And Peter O. Muller. John Willey & Sons.
Chicagoスタイル(17版)引用形式Geography Regions And Concepts/ Harm J. De Blij And Peter O. Muller. John Willey & Sons, 1988.
MLA(8版)引用形式Geography Regions And Concepts/ Harm J. De Blij And Peter O. Muller. John Willey & Sons, 1988.
警告: この引用は必ずしも正確ではありません.