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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Rockefeller Foundation và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Rockefeller Foundation và 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.
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