APA (7th ed.) Zitazioa
FORD, A., & ET AL. NEW COHORTS OF URBAN ELDERS: ARE THEY IN TROUBLE?
Chicago Style (17th ed.) Zitazioa
FORD, A.B, eta ET AL. NEW COHORTS OF URBAN ELDERS: ARE THEY IN TROUBLE?
MLA (9th ed.) Zitazioa
FORD, A.B, eta ET AL. NEW COHORTS OF URBAN ELDERS: ARE THEY IN TROUBLE?
Kontuz: berrikusi erreferentzia hauek erabili aurretik.