Não informado. (1948). Demographic Yearbook. United Nations, Department of Economic and Social Affairs, Statistical Office.
Čikaški stil citiranja (17. izdanje)Não informado. Demographic Yearbook. New York: United Nations, Department of Economic and Social Affairs, Statistical Office, 1948.
MLA način citiranja (8. izdanje)Não informado. Demographic Yearbook. United Nations, Department of Economic and Social Affairs, Statistical Office, 1948.
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