Não informado. (1951). School Libraries. American Association of School Librarians.
Chicago-viite (17. p.)Não informado. School Libraries. Fulton, Mo: American Association of School Librarians, 1951.
MLA-viite (8. p.)Não informado. School Libraries. American Association of School Librarians, 1951.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.