ebrary, Inc, Young, R. D., Blanchard, M. J., & Griffith, S. H. (2011). To train his soul in books: Syriac asceticism in early Christianity. Catholic University of America Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, Robin Darling Young, Monica J. Blanchard, و Sidney Harrison Griffith. To Train His Soul in Books: Syriac Asceticism in Early Christianity. Washington, D.C.: Catholic University of America Press, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, et al. To Train His Soul in Books: Syriac Asceticism in Early Christianity. Catholic University of America Press, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.