United Nations Department of Economic and Social Affairs Statistics Division. (2002). Handbook on training in civil registration and vital statistics systems. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Department of Economic and Social Affairs Statistics Division. Handbook on Training in Civil Registration and Vital Statistics Systems. New York: United Nations, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Department of Economic and Social Affairs Statistics Division. Handbook on Training in Civil Registration and Vital Statistics Systems. United Nations, 2002.
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