APA (7th ed.) Zitazioa
(2010). The economist: January - June 2010. The Economist.
Chicago Style (17th ed.) Zitazioa
The Economist: January - June 2010. London: The Economist, 2010.
MLA (9th ed.) Zitazioa
The Economist: January - June 2010. The Economist, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.