Leo XIII, P. (1891). Condition of Labor ... authorized English translation ... [to be read] on successive Sundays to your people until you will have finished it ... Catholic Review Print.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Leo XIII, Pope. Condition of Labor ... Authorized English Translation ... [to Be Read] on Successive Sundays to Your People Until You Will Have Finished It ... Toronto: Catholic Review Print, 1891.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Leo XIII, Pope. Condition of Labor ... Authorized English Translation ... [to Be Read] on Successive Sundays to Your People Until You Will Have Finished It ... Catholic Review Print, 1891.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.