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.
Chicago-referens (17:e uppl.)Rockefeller Foundation och 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.
MLA-referens (8:e uppl.)Rockefeller Foundation och 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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.