Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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