UN. (2004). Handbook on the collection of fertility and mortality data. UN.
Чикаго маягийн жагсаалтUN. Handbook on the Collection of Fertility and Mortality Data. New York: UN, 2004.
MLA ишлэлUN. Handbook on the Collection of Fertility and Mortality Data. UN, 2004.
Warning: These citations may not always be 100% accurate.