National Council on Illegitimacy & National Conference on Social Welfare (U.S.). (1968). Effective services for unmarried parents and their children: Innovative community approaches. National Council on Illegitimacy.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Council on Illegitimacy و National Conference on Social Welfare (U.S.). Effective Services for Unmarried Parents and Their Children: Innovative Community Approaches. New York: National Council on Illegitimacy, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Council on Illegitimacy و National Conference on Social Welfare (U.S.). Effective Services for Unmarried Parents and Their Children: Innovative Community Approaches. National Council on Illegitimacy, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.