Naunton J. Jon. (2002). Head for Business. Upper-intermediate: Cass Cas. 2. Oxford, Oxford University Press, 2002.
Chicago Style aipamenaNaunton J. Jon. Head for Business. Upper-intermediate: Cass Cas. 2. Oxford, Oxford University Press, 2002, 2002.
MLA aipamenaNaunton J. Jon. Head for Business. Upper-intermediate: Cass Cas. 2. Oxford, Oxford University Press, 2002, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.