Horsfield, I. W. (1981). The economics of the sheep farming industry, 1850-80.
Cita Chicago (17th ed.)Horsfield, Ian William. The Economics of the Sheep Farming Industry, 1850-80. 1981.
Cita MLA (9th ed.)Horsfield, Ian William. The Economics of the Sheep Farming Industry, 1850-80. 1981.
Atenció: Aquestes cites poden no estar 100% correctes.
