(1999). Reduction of maternal mortality. World Health Organization.
Chicago-čujuhus (17. p.)Reduction of Maternal Mortality. Geneva: World Health Organization, 1999.
MLA-čujuhus (9. p.)Reduction of Maternal Mortality. World Health Organization, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.