United Nations. Dept. of Economic and Social Affairs. (1955). Methods of appraisal of quality of basic data for population estimates. [s.n.].
Citace podle Chicago (17th ed.)United Nations. Dept. of Economic and Social Affairs. Methods of Appraisal of Quality of Basic Data for Population Estimates. New York: [s.n.], 1955.
Citace podle MLA (9th ed.)United Nations. Dept. of Economic and Social Affairs. Methods of Appraisal of Quality of Basic Data for Population Estimates. [s.n.], 1955.
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