Izzo, D. G. (2001). Christopher Isherwood: His era, his gang, and the legacy of the truly strong man. University of South Carolina Press.
Chicago-referens (17:e uppl.)Izzo, David Garrett. Christopher Isherwood: His Era, His Gang, and the Legacy of the Truly Strong Man. Columbia: University of South Carolina Press, 2001.
MLA-referens (8:e uppl.)Izzo, David Garrett. Christopher Isherwood: His Era, His Gang, and the Legacy of the Truly Strong Man. University of South Carolina Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.