Charnwood, G. R. B. (1976). Theodore Roosevelt [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)Charnwood, Godfrey Rathbone Benson. Theodore Roosevelt [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Charnwood, Godfrey Rathbone Benson. Theodore Roosevelt [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.