Horsfield, I. W. (1981). The economics of the sheep farming industry, 1850-80.
Chicagoスタイル(17版)引用形式Horsfield, Ian William. The Economics of the Sheep Farming Industry, 1850-80. 1981.
MLA(9版)引用形式Horsfield, Ian William. The Economics of the Sheep Farming Industry, 1850-80. 1981.
警告: この引用は必ずしも正確ではありません.
