Davidson, T. (1901). A history of education. Scribner.
Lua i Stíl Chicago (17ú heag.)Davidson, Thomas. A History of Education. New York: Scribner, 1901.
Lua MLA (8ú heag.)Davidson, Thomas. A History of Education. Scribner, 1901.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.