Psacharopoulos, G. (1991). The economic impact of education: Lessons for policy makers. ICB Press.
芝加哥风格引文Psacharopoulos, George. The Economic Impact of Education: Lessons for Policy Makers. San Francisco: ICB Press, 1991.
MLA引文Psacharopoulos, George. The Economic Impact of Education: Lessons for Policy Makers. ICB Press, 1991.
警告：这些引文格式不一定是100％准确.