Kotlikoff, L. J., Smetters, K. A., & Walliser, J. (1998). Opting out of soical security and adverse selection. National Bureau of Economic Research.
芝加哥风格引文Kotlikoff, Laurence J., Kent A. Smetters, 与 Jan Walliser. Opting Out of Soical Security and Adverse Selection. Cambridge: National Bureau of Economic Research, 1998.
MLA引文Kotlikoff, Laurence J., et al. Opting Out of Soical Security and Adverse Selection. National Bureau of Economic Research, 1998.
警告：这些引文格式不一定是100％准确.