George Peabody College for Teachers. (1923). Peabody journal of education. George Peabody College of Teachers.
Lua i Stíl Chicago (17ú heag.)George Peabody College for Teachers. Peabody Journal of Education. Nashville, Tenn.: George Peabody College of Teachers, 1923.
Lua MLA (9ú heag.)George Peabody College for Teachers. Peabody Journal of Education. George Peabody College of Teachers, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.