Brown, O. J. (1981). Natural rectitude and divine law in Aquinas: An approach to an integral interpretation of the thomistic doctrine of law. Pontifical Institute of Mediaeval Studies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brown, Oscar James. Natural Rectitude and Divine Law in Aquinas: An Approach to an Integral Interpretation of the Thomistic Doctrine of Law. Toronto: Pontifical Institute of Mediaeval Studies, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Brown, Oscar James. Natural Rectitude and Divine Law in Aquinas: An Approach to an Integral Interpretation of the Thomistic Doctrine of Law. Pontifical Institute of Mediaeval Studies, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.