Industrial Relations Research Association, Levitan, S. A., Cohen, W. J., & Lampman, R. J. (1968). Towards freedom from want: Sar A. Levitan, Wilbur J. Cohen [and] Robert J. Lampman ([1st ed.). Industrial Relations Research Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Industrial Relations Research Association, Sar A. Levitan, Wilbur J. Cohen, و Robert J. Lampman. Towards Freedom from Want: Sar A. Levitan, Wilbur J. Cohen [and] Robert J. Lampman. [1st ed. Madison: Industrial Relations Research Association, 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Industrial Relations Research Association, et al. Towards Freedom from Want: Sar A. Levitan, Wilbur J. Cohen [and] Robert J. Lampman. [1st ed. Industrial Relations Research Association, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.