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.
Cytowanie według stylu Chicago (wyd. 17)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.
Cytowanie według stylu MLA (wyd. 9)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.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..