APA (7th ed.) Zitazioa
(1982). Workbook for head writing news editing (4th ed.). WCB.
Chicago Style (17th ed.) Zitazioa
Workbook for Head Writing News Editing. 4th ed. Lowa: WCB, 1982.
MLA (9th ed.) Zitazioa
Workbook for Head Writing News Editing. 4th ed. WCB, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.