Hamilton, E. (2014). Letters on the elementary principles of education. Cambridge University Press.
Chicago-referens (17:e uppl.)Hamilton, Elizabeth. Letters on the Elementary Principles of Education. Cambridge University Press, 2014.
MLA-referens (9:e uppl.)Hamilton, Elizabeth. Letters on the Elementary Principles of Education. Cambridge University Press, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.