Nickell, S. (1997). Unemployment and Labor Market Rigidities: Europe versus North America.
芝加哥风格引文Nickell, S. Unemployment and Labor Market Rigidities: Europe Versus North America. 1997.
MLA引文Nickell, S. Unemployment and Labor Market Rigidities: Europe Versus North America. 1997.
警告：这些引文格式不一定是100％准确.