Não informado. (1951). School Libraries. American Association of School Librarians.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. School Libraries. Fulton, Mo: American Association of School Librarians, 1951.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. School Libraries. American Association of School Librarians, 1951.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.