APA (7th ed.) Zitazioa
JACOBZONE, S., & ET AL. (1999). THE HEALTH OF OLDER PERSONS IN OECD COUNTRIES: IS IT IMPROVING FAST ENOUGH TO COMPENSATE FOR POPULATION AGEING? OCDE.
Chicago Style (17th ed.) Zitazioa
JACOBZONE, S., eta ET AL. THE HEALTH OF OLDER PERSONS IN OECD COUNTRIES: IS IT IMPROVING FAST ENOUGH TO COMPENSATE FOR POPULATION AGEING? PARIS: OCDE, 1999.
MLA (9th ed.) Zitazioa
JACOBZONE, S., eta ET AL. THE HEALTH OF OLDER PERSONS IN OECD COUNTRIES: IS IT IMPROVING FAST ENOUGH TO COMPENSATE FOR POPULATION AGEING? OCDE, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.