Estall, R. C. (1961). Industrial activity and economic geography. Hutchinson.
Chicagoスタイル(17版)引用形式Estall, R. C. Industrial Activity and Economic Geography. London: Hutchinson, 1961.
MLA(9版)引用形式Estall, R. C. Industrial Activity and Economic Geography. Hutchinson, 1961.
警告: この引用は必ずしも正確ではありません.