United Nations. Statistical Division. (1998). Handbook on civil registration and vital statistics systems: Management, operation and maintenance. United Nations.
Citace podle Chicago (17th ed.)United Nations. Statistical Division. Handbook on Civil Registration and Vital Statistics Systems: Management, Operation and Maintenance. New York: United Nations, 1998.
Citace podle MLA (9th ed.)United Nations. Statistical Division. Handbook on Civil Registration and Vital Statistics Systems: Management, Operation and Maintenance. United Nations, 1998.
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