United Nations, D. o. E. a. S. . A. (1968). Methods of analysing Census data on economic activities of the population: (Population studies no. 43). United Nations.
Citace podle Chicago (17th ed.)United Nations, Dept of Economic and Social Affairs. Methods of Analysing Census Data on Economic Activities of the Population: (Population Studies No. 43). New York: United Nations, 1968.
Citace podle MLA (9th ed.)United Nations, Dept of Economic and Social Affairs. Methods of Analysing Census Data on Economic Activities of the Population: (Population Studies No. 43). United Nations, 1968.
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