Crafts, W. F. (1902). The Sabbath for man: A study of the origin, obligation, history, advantages and present state of Sabbath observance with special reference to the rights of workingmen (Rev. and enl. 10th ed.). International Reform Bureau.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Crafts, Wilbur F. The Sabbath for Man: A Study of the Origin, Obligation, History, Advantages and Present State of Sabbath Observance with Special Reference to the Rights of Workingmen. Rev. and enl. 10th ed. Washington: International Reform Bureau, 1902.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Crafts, Wilbur F. The Sabbath for Man: A Study of the Origin, Obligation, History, Advantages and Present State of Sabbath Observance with Special Reference to the Rights of Workingmen. Rev. and enl. 10th ed. International Reform Bureau, 1902.