357961 Davies, E. M. (1977). A classification of urban populations in England and Wales, 1951-1971. Birmingham : University of Birmingham Environmental Modelling and Survey Unit.
Lua i Stíl Chicago (17ú heag.)357961 Davies, E. M. A Classification of Urban Populations in England and Wales, 1951-1971. Birmingham : University of Birmingham Environmental Modelling and Survey Unit, 1977.
Lua MLA (9ú heag.)357961 Davies, E. M. A Classification of Urban Populations in England and Wales, 1951-1971. Birmingham : University of Birmingham Environmental Modelling and Survey Unit, 1977.
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