Clasen, J., & Freeman, R. (1994). Social policy in Germany. Harvester Wheatsheaf.
芝加哥风格引文Clasen, Jochen, 与 Richard Freeman. Social Policy in Germany. New York: Harvester Wheatsheaf, 1994.
MLA引文Clasen, Jochen, 与 Richard Freeman. Social Policy in Germany. Harvester Wheatsheaf, 1994.
警告：这些引文格式不一定是100％准确.