Não informado. (2010). Northwestern University Bulletin. Northwestern University.
Chicago-referens (17:e uppl.)Não informado. Northwestern University Bulletin. Evanston, Ill: Northwestern University, 2010.
MLA-referens (8:e uppl.)Não informado. Northwestern University Bulletin. Northwestern University, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.