Wang, J. (1999). Measuring country performance on health: Selected indicators for 115 countries. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wang, Jia. Measuring Country Performance on Health: Selected Indicators for 115 Countries. Washington, D.C.: World Bank, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wang, Jia. Measuring Country Performance on Health: Selected Indicators for 115 Countries. World Bank, 1999.