United Nations Department of Economic and Social Affairs Statistics Division. (2002). Handbook on training in civil registration and vital statistics systems. United Nations.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)United Nations Department of Economic and Social Affairs Statistics Division. Handbook on Training in Civil Registration and Vital Statistics Systems. United Nations, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.