APA aipamena

Cotton, D. (2005). Market leader: Intermediate business English. England: Pearson Longman.

Chicago Style aipamena

Cotton, David. Market Leader: Intermediate Business English. England: Pearson Longman, 2005.

MLA aipamena

Cotton, David. Market Leader: Intermediate Business English. England: Pearson Longman, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.