Hutchinson, T. (1997). American hotline: Early intermediate-student's book. Oxford: Oxford University Press.
Chicago Style aipamenaHutchinson, Tom. American Hotline: Early Intermediate-student's Book. Oxford: Oxford University Press, 1997.
MLA aipamenaHutchinson, Tom. American Hotline: Early Intermediate-student's Book. Oxford: Oxford University Press, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.