Não informado. (1937). THE SCHOOL LIBRARIAN. School Library Association.
Chicago-referens (17:e uppl.)Não informado. THE SCHOOL LIBRARIAN. London: School Library Association, 1937.
MLA-referens (8:e uppl.)Não informado. THE SCHOOL LIBRARIAN. School Library Association, 1937.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.