APA (7th ed.) Zitazioa
(2018). Working better with age. OECD.
Chicago Style (17th ed.) Zitazioa
Working Better with Age. Paris, France: OECD, 2018.
MLA (9th ed.) Zitazioa
Working Better with Age. OECD, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.