Sullivan, B. O. (1954). Legislation and requirements for permissible cohabitation in invalid marriages: A historical synopsis and a commentary. Catholic University of America Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sullivan, Bernard Owens. Legislation and Requirements for Permissible Cohabitation in Invalid Marriages: A Historical Synopsis and a Commentary. Washington: Catholic University of America Press, 1954.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sullivan, Bernard Owens. Legislation and Requirements for Permissible Cohabitation in Invalid Marriages: A Historical Synopsis and a Commentary. Catholic University of America Press, 1954.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.