United Nations. Department of Social Affairs. (1952). Methods of estimating total population for current dates. [s.n.].
Chicago-Zitierstil (17. Ausg.)United Nations. Department of Social Affairs. Methods of Estimating Total Population for Current Dates. New York: [s.n.], 1952.
MLA-Zitierstil (9. Ausg.)United Nations. Department of Social Affairs. Methods of Estimating Total Population for Current Dates. [s.n.], 1952.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.