Butcher, J. (2006). Butcher's copy-editing: The cambridge handbook for editors copy-editors and proofreaders (4th ed.). Cambridge university.
Chicago Style aipamenaButcher, Judith. Butcher's Copy-editing: The Cambridge Handbook for Editors Copy-editors and Proofreaders. 4th ed. Cambridge: Cambridge university, 2006.
MLA aipamenaButcher, Judith. Butcher's Copy-editing: The Cambridge Handbook for Editors Copy-editors and Proofreaders. 4th ed. Cambridge university, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.