Webb, R. (1976). On the statistical mapping of urban poverty and employment. International Bank for Reconstruction and Development.
Citace podle Chicago (17th ed.)Webb, Richard. On the Statistical Mapping of Urban Poverty and Employment. Washington: International Bank for Reconstruction and Development, 1976.
Citace podle MLA (9th ed.)Webb, Richard. On the Statistical Mapping of Urban Poverty and Employment. International Bank for Reconstruction and Development, 1976.
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