APA (7th ed.) Zitazioa
(2001). Ageing and transport: Mobility needs and safety issues. OECD.
Chicago Style (17th ed.) Zitazioa
Ageing and Transport: Mobility Needs and Safety Issues. Paris, Cedex, France: OECD, 2001.
MLA (9th ed.) Zitazioa
Ageing and Transport: Mobility Needs and Safety Issues. OECD, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.