Não informado. (1951). School Libraries. American Association of School Librarians.
Chicagoスタイル(17版)引用形式Não informado. School Libraries. Fulton, Mo: American Association of School Librarians, 1951.
MLA(8版)引用形式Não informado. School Libraries. American Association of School Librarians, 1951.
警告: この引用は必ずしも正確ではありません.