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.
Čikaški stil citiranja (17. izdanje)Alkema, Leontine, i 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.
MLA način citiranja (8. izdanje)Alkema, Leontine, i 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.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.