World Bank. (2007). Healthy development: The World Bank strategy for health, nutrition, & population results. World Bank.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Bank. Healthy Development: The World Bank Strategy for Health, Nutrition, & Population Results. Washington, DC: World Bank, 2007.
Παραπομπή σε μορφή MLA (9th εκδ.)World Bank. Healthy Development: The World Bank Strategy for Health, Nutrition, & Population Results. World Bank, 2007.