Over, M. (1988). Cost-effective integration of immunization and basic health services in developing countries: The problem of joint costs. Population and Human Resources Dept.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Over, Mead. Cost-effective Integration of Immunization and Basic Health Services in Developing Countries: The Problem of Joint Costs. Washington, D.C: Population and Human Resources Dept, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Over, Mead. Cost-effective Integration of Immunization and Basic Health Services in Developing Countries: The Problem of Joint Costs. Population and Human Resources Dept, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.