Underwood,Mary. (1989). Teaching listening: Longman handbooks for language teachers. New York: Longman.
Chicago Style aipamenaUnderwood,Mary. Teaching Listening: Longman Handbooks for Language Teachers. New York: Longman, 1989.
MLA aipamenaUnderwood,Mary. Teaching Listening: Longman Handbooks for Language Teachers. New York: Longman, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.