Não informado. Northwestern Alumni News. North western University, Alumni Association Boardof Directors.
Chicago-referens (17:e uppl.)Não informado. Northwestern Alumni News. Evanston, Ill: North western University, Alumni Association Boardof Directors.
MLA-referens (8:e uppl.)Não informado. Northwestern Alumni News. North western University, Alumni Association Boardof Directors.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.