zaremba, p. (1966). problems of development of metropolitan regions. the institute of national planning.
Cita Chicago Style (17a ed.)zaremba, peter. Problems of Development of Metropolitan Regions. cairo: the institute of national planning, 1966.
Cita MLA (9a ed.)zaremba, peter. Problems of Development of Metropolitan Regions. the institute of national planning, 1966.
Precaución: Estas citas no son 100% exactas.