APA (7th ed.) Zitazioa
(2012). OECD territorial reviews: The Chicago tri-state metropolitan area, United States 2012. OECD.
Chicago Style (17th ed.) Zitazioa
OECD Territorial Reviews: The Chicago Tri-state Metropolitan Area, United States 2012. [Place of publication not identified]: OECD, 2012.
MLA (9th ed.) Zitazioa
OECD Territorial Reviews: The Chicago Tri-state Metropolitan Area, United States 2012. OECD, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.