Hamilton, E. (2014). Letters on the elementary principles of education. Cambridge University Press.
Chicago Style aipamenaHamilton, Elizabeth. Letters on the Elementary Principles of Education. Cambridge University Press, 2014.
MLA aipamenaHamilton, Elizabeth. Letters on the Elementary Principles of Education. Cambridge University Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.