Hamilton, E. (2014). Letters on the elementary principles of education. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Hamilton, Elizabeth. Letters on the Elementary Principles of Education. Cambridge University Press, 2014.
Lua MLA (9ú heag.)Hamilton, Elizabeth. Letters on the Elementary Principles of Education. Cambridge University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.