Tietueen sitaatit
APA-viiteUnited Nations. Department of Technical Co-operation for Development. (1991). World urbanization prospects 1990: Estimates and projections of urban and rural populations and of urban agglomerations. United Nations.
Chicago-tyylinen lähdeviittausUnited Nations. Department of Technical Co-operation for Development. World Urbanization Prospects 1990: Estimates and Projections of Urban and Rural Populations and of Urban Agglomerations. New York [N.Y.]: United Nations, 1991.
MLA-viiteUnited Nations. Department of Technical Co-operation for Development. World Urbanization Prospects 1990: Estimates and Projections of Urban and Rural Populations and of Urban Agglomerations. United Nations, 1991.
Harvard-tyylinen lähdeviittausUnited Nations. Department of Technical Co-operation for Development. 1991. World urbanization prospects 1990: Estimates and projections of urban and rural populations and of urban agglomerations. New York [N.Y.]: United Nations.
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