APA aipamena

Ashley, A. (1984). Handbook of commercial correspondence. Oxford University Press.

Chicago Style aipamena

Ashley, A. Handbook of Commercial Correspondence. Oxford University Press, 1984.

MLA aipamena

Ashley, A. Handbook of Commercial Correspondence. Oxford University Press, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.