APA (7th ed.) Zitazioa

(2012). OECD economic surveys: Portugal 2012. OECD.

Chicago Style (17th ed.) Zitazioa

OECD Economic Surveys: Portugal 2012. [Place of publication not identified]: OECD, 2012.

MLA (9th ed.) Zitazioa

OECD Economic Surveys: Portugal 2012. OECD, 2012.