Horsfield, I. W. (1981). The economics of the sheep farming industry, 1850-80.
Chicago-čujuhus (17. p.)Horsfield, Ian William. The Economics of the Sheep Farming Industry, 1850-80. 1981.
MLA-čujuhus (9. p.)Horsfield, Ian William. The Economics of the Sheep Farming Industry, 1850-80. 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
