APA (7th ed.) Zitazioa
(2015). Ageing and employment policies: Poland 2015. OECD.
Chicago Style (17th ed.) Zitazioa
Ageing and Employment Policies: Poland 2015. Paris, [France]: OECD, 2015.
MLA (9th ed.) Zitazioa
Ageing and Employment Policies: Poland 2015. OECD, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.