Rogers, J. (2004). Market leader: Talk business (Elementary business english). New York: Longman.
Chicago Style aipamenaRogers, John. Market Leader: Talk Business (Elementary Business English). New York: Longman, 2004.
MLA aipamenaRogers, John. Market Leader: Talk Business (Elementary Business English). New York: Longman, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.