Dyfyniad APA
ebrary, Inc, Feldstein, M. S., & Siebert, H. (2002). Social security pension reform in Europe. University of Chicago Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Martin S. Feldstein, and Horst Siebert. Social Security Pension Reform in Europe. Chicago: University of Chicago Press, 2002.
Dyfyniad MLA
ebrary, Inc, et al. Social Security Pension Reform in Europe. University of Chicago Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.