Rixon, S. (1994). Listening: Upper - intermadiate. Oxford: Oxford University Press.
Chicago Style aipamenaRixon, Shelagh. Listening: Upper - Intermadiate. Oxford: Oxford University Press, 1994.
MLA aipamenaRixon, Shelagh. Listening: Upper - Intermadiate. Oxford: Oxford University Press, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.