Não informado. The President's review and annual report. Rockefeller Foundation.
Chicago-referens (17:e uppl.)Não informado. The President's Review and Annual Report. New York: Rockefeller Foundation.
MLA-referens (8:e uppl.)Não informado. The President's Review and Annual Report. Rockefeller Foundation.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.