McDiarmid, O. J. (1977). Unskilled labor for development its economic cost. The Johns Hopkins University.
Citace podle Chicago (17th ed.)McDiarmid, Orville John. Unskilled Labor for Development Its Economic Cost. The Johns Hopkins University, 1977.
Citace podle MLA (9th ed.)McDiarmid, Orville John. Unskilled Labor for Development Its Economic Cost. The Johns Hopkins University, 1977.
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