Alkema, L., & Chou, D. (2014). Trends in maternal mortality: 1990 to 2013. estimates by WHO, UNICEF, UNFPA, The World Bank and the United Nations Population Division. World Health Organization.
Citace podle Chicago (17th ed.)Alkema, Leontine, a Doris Chou. Trends in Maternal Mortality: 1990 to 2013. Estimates by WHO, UNICEF, UNFPA, The World Bank and the United Nations Population Division. Geveva, Switzerland: World Health Organization, 2014.
Citace podle MLA (8th ed.)Alkema, Leontine, a Doris Chou. Trends in Maternal Mortality: 1990 to 2013. Estimates by WHO, UNICEF, UNFPA, The World Bank and the United Nations Population Division. World Health Organization, 2014.
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