Cita APA (7th ed.)

United Nations. Dept. of Social Affairs & United Nations. Dept. of Social Affairs. (1955). Age and sex patterns of mortality: Model life-tables for under-developed countries. United Nations Dept. of Social Affairs, Population Branch.

Cita Chicago (17th ed.)

United Nations. Dept. of Social Affairs i United Nations. Dept. of Social Affairs. Age and Sex Patterns of Mortality: Model Life-tables for Under-developed Countries. New York: United Nations Dept. of Social Affairs, Population Branch, 1955.

Cita MLA (9th ed.)

United Nations. Dept. of Social Affairs i United Nations. Dept. of Social Affairs. Age and Sex Patterns of Mortality: Model Life-tables for Under-developed Countries. United Nations Dept. of Social Affairs, Population Branch, 1955.