Lockwood, M. (1988). Maternal education and the vicious cycle of high fertility and malnutrition: An analytic survey. Population and Human Resources Dept., World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lockwood, Matthew. Maternal Education and the Vicious Cycle of High Fertility and Malnutrition: An Analytic Survey. Washington, D.C: Population and Human Resources Dept., World Bank, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lockwood, Matthew. Maternal Education and the Vicious Cycle of High Fertility and Malnutrition: An Analytic Survey. Population and Human Resources Dept., World Bank, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.