ebrary, Inc, Feldstein, M. S., & Siebert, H. (2002). Social security pension reform in Europe. University of Chicago Press.
芝加哥风格引文ebrary, Inc, Martin S. Feldstein, 与 Horst Siebert. Social Security Pension Reform in Europe. Chicago: University of Chicago Press, 2002.
MLA引文ebrary, Inc, et al. Social Security Pension Reform in Europe. University of Chicago Press, 2002.
警告：这些引文格式不一定是100％准确.