APA (7th ed.) Zitazioa
ebrary, Inc, Feldstein, M. S., & Siebert, H. (2002). Social security pension reform in Europe. University of Chicago Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Martin S. Feldstein, eta Horst Siebert. Social Security Pension Reform in Europe. Chicago: University of Chicago Press, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Social Security Pension Reform in Europe. University of Chicago Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.