Não informado. (1915). Bulletin of the Public Affairs Information Service. Public Affairs Information Service.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the Public Affairs Information Service. New York: Public Affairs Information Service, 1915.
MLA-referens (8:e uppl.)Não informado. Bulletin of the Public Affairs Information Service. Public Affairs Information Service, 1915.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.