Rogers, J. (2002). Market leader: Talk business (Pre-Intermediate business english). New York: Longman.
Chicago Style aipamenaRogers, John. Market Leader: Talk Business (Pre-Intermediate Business English). New York: Longman, 2002.
MLA aipamenaRogers, John. Market Leader: Talk Business (Pre-Intermediate Business English). New York: Longman, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.