APA (7th ed.) Zitazioa
World Assembly on Aging ( Vienna, Austria). (1983). Vienna International Plan of Action on Aging. ONU.
Chicago Style (17th ed.) Zitazioa
World Assembly on Aging ( Vienna, Austria). Vienna International Plan of Action on Aging. Nueva York, EUA: ONU, 1983.
MLA (9th ed.) Zitazioa
World Assembly on Aging ( Vienna, Austria). Vienna International Plan of Action on Aging. ONU, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.