Hess, N. (2001). Teaching large multilevel classes. New York: Cambridge University Press.
Chicago Style aipamenaHess, Natalie. Teaching Large Multilevel Classes. New York: Cambridge University Press, 2001.
MLA aipamenaHess, Natalie. Teaching Large Multilevel Classes. New York: Cambridge University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.