Citazione APA

United Nations. (1975). Towards a system of social and demographic statistics. United Nations.

Stile di citazione Chicago

United Nations. Towards a System of Social and Demographic Statistics. New York: United Nations, 1975.

Citazione MLA

United Nations. Towards a System of Social and Demographic Statistics. United Nations, 1975.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.