Adams, J. G. U. (1970). The spatial structure of the economy of West Africa. University of London.
Chicagoスタイル(17版)引用形式Adams, John Gordon Underwood. The Spatial Structure of the Economy of West Africa. University of London, 1970.
MLA(8版)引用形式Adams, John Gordon Underwood. The Spatial Structure of the Economy of West Africa. University of London, 1970.
警告: この引用は必ずしも正確ではありません.