World Bank. (1997). Health, nutrition & population. Human Development Network of the World Bank Group.
Citazione stile Chigago Style (17a edizione)World Bank. Health, Nutrition & Population. Washington, D.C.: Human Development Network of the World Bank Group, 1997.
Citatione MLA (9a ed.)World Bank. Health, Nutrition & Population. Human Development Network of the World Bank Group, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.