Abersold, J. R. (1949). Problems of hourly rate uniformity. Published for the Labor Relations Council by the University of Pennsylvania Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abersold, John Russell. Problems of Hourly Rate Uniformity. Philadelphia: Published for the Labor Relations Council by the University of Pennsylvania Press, 1949.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Abersold, John Russell. Problems of Hourly Rate Uniformity. Published for the Labor Relations Council by the University of Pennsylvania Press, 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.