Frey, B. S. (1983). Democratic economic policy: A theoretical introduction. St. Martin's Press.
芝加哥风格引文Frey, Bruno S. Democratic Economic Policy: A Theoretical Introduction. New York: St. Martin's Press, 1983.
MLA引文Frey, Bruno S. Democratic Economic Policy: A Theoretical Introduction. St. Martin's Press, 1983.
警告：这些引文格式不一定是100％准确.