World Bank. (1997). Health, nutrition & population. Human Development Network of the World Bank Group.
Chicagoスタイル(17版)引用形式World Bank. Health, Nutrition & Population. Washington, D.C.: Human Development Network of the World Bank Group, 1997.
MLA(8版)引用形式World Bank. Health, Nutrition & Population. Human Development Network of the World Bank Group, 1997.
警告: この引用は必ずしも正確ではありません.