Rockefeller Foundation & United States. Commission on Industrial Relations. (1915). Information furnished by the Rockefeller Foundation in response to questionnaires submitted by United States Commission on Industrial Relations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rockefeller Foundation و United States. Commission on Industrial Relations. Information Furnished by the Rockefeller Foundation in Response to Questionnaires Submitted by United States Commission on Industrial Relations. [New York?, 1915.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rockefeller Foundation و United States. Commission on Industrial Relations. Information Furnished by the Rockefeller Foundation in Response to Questionnaires Submitted by United States Commission on Industrial Relations. 1915.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.