Ross, S. (1988). Introducing physical geography and map reading. Longman.
Chicagoスタイル(17版)引用形式Ross, Simon. Introducing Physical Geography and Map Reading. London: Longman, 1988.
MLA(9版)引用形式Ross, Simon. Introducing Physical Geography and Map Reading. Longman, 1988.
警告: この引用は必ずしも正確ではありません.