Clark, C. (1964). The economics of subsistence agriculture, by Colin Clark and Margaret Haswell. MacMillan.
Chicago Style (17. basım) AtıfClark, Colin. The Economics of Subsistence Agriculture, by Colin Clark and Margaret Haswell. London: MacMillan, 1964.
MLA (9th ed.) AtıfClark, Colin. The Economics of Subsistence Agriculture, by Colin Clark and Margaret Haswell. MacMillan, 1964.
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