Παραπομπή APA

Davies, E. M. (1977). A classification of urban population in England and Wales, 1951-1971. Birmingham: University of Birmingham, Environmental Modelling and Survey Unit.

Παραπομπή Chicago Style

Davies, Emily Mary. A Classification of Urban Population in England and Wales, 1951-1971. Birmingham: University of Birmingham, Environmental Modelling and Survey Unit, 1977.

Παραπομπή MLA

Davies, Emily Mary. A Classification of Urban Population in England and Wales, 1951-1971. Birmingham: University of Birmingham, Environmental Modelling and Survey Unit, 1977.

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