Não informado. (1950). Annual Conference Proceedings of the American Library Association. American Library Association.
Chicago-referens (17:e uppl.)Não informado. Annual Conference Proceedings of the American Library Association. Chicago, Ill: American Library Association, 1950.
MLA-referens (8:e uppl.)Não informado. Annual Conference Proceedings of the American Library Association. American Library Association, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.