Kingdon, G., & Knight, J. (1999). Unemployment and wages in South Africa: A spatial approach. University of Oxford.
Lua i Stíl Chicago (17ú heag.)Kingdon, G., agus J. Knight. Unemployment and Wages in South Africa: A Spatial Approach. University of Oxford, 1999.
Lua MLA (9ú heag.)Kingdon, G., agus J. Knight. Unemployment and Wages in South Africa: A Spatial Approach. University of Oxford, 1999.
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