Tarner, M., & Jones, A. F. (2005). The phantom airman: Elementary level. London: Macmillan Education.
Chicago Style aipamenaTarner, Margaret., và Allan Frewin Jones. The Phantom Airman: Elementary Level. London: Macmillan Education, 2005.
MLA aipamenaTarner, Margaret., và Allan Frewin Jones. The Phantom Airman: Elementary Level. London: Macmillan Education, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.