ebrary, Inc, Gruber, J., & Wise, D. A. (1999). Social security and retirement around the world. University of Chicago Press.
芝加哥风格引文ebrary, Inc, Jonathan Gruber, 与 David A. Wise. Social Security and Retirement Around the World. Chicago: University of Chicago Press, 1999.
MLA引文ebrary, Inc, et al. Social Security and Retirement Around the World. University of Chicago Press, 1999.
警告：这些引文格式不一定是100％准确.