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