APA (7e ed.) Bronvermelding

Webb, R. (1976). On the statistical mapping of urban poverty and employment. International Bank for Reconstruction and Development.

Chicago (17e ed.) Bronvermelding

Webb, Richard. On the Statistical Mapping of Urban Poverty and Employment. Washington: International Bank for Reconstruction and Development, 1976.

MLA (9e ed.) Bronvermelding

Webb, Richard. On the Statistical Mapping of Urban Poverty and Employment. International Bank for Reconstruction and Development, 1976.