Ellsworth, R. E. (1965). The school library. Center for Applied Research in Education.
Lua i Stíl Chicago (17ú heag.)Ellsworth, Ralph Eugene. The School Library. New York: Center for Applied Research in Education, 1965.
Lua MLA (8ú heag.)Ellsworth, Ralph Eugene. The School Library. Center for Applied Research in Education, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.