United Nations. Department of Social Affairs. (1954). Foetal, infant and early childhood mortality. United Nations, Dept. of Social Affairs, Population Division.
Cytowanie według stylu Chicago (wyd. 17)United Nations. Department of Social Affairs. Foetal, Infant and Early Childhood Mortality. New York: United Nations, Dept. of Social Affairs, Population Division, 1954.
Cytowanie według stylu MLA (wyd. 9)United Nations. Department of Social Affairs. Foetal, Infant and Early Childhood Mortality. United Nations, Dept. of Social Affairs, Population Division, 1954.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..