Não informado. (1937). THE SCHOOL LIBRARIAN. School Library Association.
Chicago-Zitierstil (17. Ausg.)Não informado. THE SCHOOL LIBRARIAN. London: School Library Association, 1937.
MLA-Zitierstil (8. Ausg.)Não informado. THE SCHOOL LIBRARIAN. School Library Association, 1937.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.