Barnard, H. (1857). Reformatory education: Papers on preventive, correctional and reformatory institutions and agencies in different countries. F. C. Brownell.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barnard, Henry. Reformatory Education: Papers on Preventive, Correctional and Reformatory Institutions and Agencies in Different Countries. Hartford: F. C. Brownell, 1857.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Barnard, Henry. Reformatory Education: Papers on Preventive, Correctional and Reformatory Institutions and Agencies in Different Countries. F. C. Brownell, 1857.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.