Turnham, D. (1971). The employment problem in less developed countries: A Review of evidence. Paris: O.E.C.D.
Chicago-tyylinen lähdeviittausTurnham, David. The Employment Problem in Less Developed Countries: A Review of Evidence. Paris: O.E.C.D, 1971.
MLA-viiteTurnham, David. The Employment Problem in Less Developed Countries: A Review of Evidence. Paris: O.E.C.D, 1971.
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