Ulman, L. (1955). The rise of the national trade union: The development and significance of its structure, governing institutions, and economic policies. Harvard University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ulman, Lloyd. The Rise of the National Trade Union: The Development and Significance of Its Structure, Governing Institutions, and Economic Policies. Cambridge: Harvard University Press, 1955.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ulman, Lloyd. The Rise of the National Trade Union: The Development and Significance of Its Structure, Governing Institutions, and Economic Policies. Harvard University Press, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.