Strickland, R. G. (1951). The language arts in the elementary school. Heath.
Lua i Stíl Chicago (17ú heag.)Strickland, Ruth Gertrude. The Language Arts in the Elementary School. Boston: Heath, 1951.
Lua MLA (9ú heag.)Strickland, Ruth Gertrude. The Language Arts in the Elementary School. Heath, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.