Whetham, E. H. (1969). The economics of African countries. London: Cambridge.
シカゴスタイル引用形Whetham, Edith H. The Economics of African Countries. London: Cambridge, 1969.
MLA引用形式Whetham, Edith H. The Economics of African Countries. London: Cambridge, 1969.
警告: この引用は必ずしも正確ではありません.