Aaron, H. J. (1986). Economic choices 1987. Brookings Institution.
芝加哥风格引文Aaron, Henry J. Economic Choices 1987. Washington, D.C.: Brookings Institution, 1986.
MLA引文Aaron, Henry J. Economic Choices 1987. Brookings Institution, 1986.
警告：这些引文格式不一定是100％准确.