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APA-viiteUnited Nations. Department of Technical Co-operation for Development. (1980). Demographic evaluation and analysis of population census data: Aspects of technical co-operation. United Nations.
Chicago-tyylinen lähdeviittausUnited Nations. Department of Technical Co-operation for Development. Demographic Evaluation and Analysis of Population Census Data: Aspects of Technical Co-operation. New York: United Nations, 1980.
MLA-viiteUnited Nations. Department of Technical Co-operation for Development. Demographic Evaluation and Analysis of Population Census Data: Aspects of Technical Co-operation. United Nations, 1980.
Harvard-tyylinen lähdeviittausUnited Nations. Department of Technical Co-operation for Development. 1980. Demographic evaluation and analysis of population census data: Aspects of technical co-operation. New York: United Nations.