APA aipamena

Naunton J. Jon. (2002). Head for Business. Upper-intermediate: Audio CDs. New York, Oxford University Press, 2002.

Chicago Style aipamena

Naunton J. Jon. Head for Business. Upper-intermediate: Audio CDs. New York, Oxford University Press, 2002, 2002.

MLA aipamena

Naunton J. Jon. Head for Business. Upper-intermediate: Audio CDs. New York, Oxford University Press, 2002, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.