Stern, H. H. (1992). Issues and options in language teaching. Oxford: Oxford University Press.
Chicago Style aipamenaStern, H. H. Issues and Options in Language Teaching. Oxford: Oxford University Press, 1992.
MLA aipamenaStern, H. H. Issues and Options in Language Teaching. Oxford: Oxford University Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.