Nickell, S. (1997). Unemployment and Labor Market Rigidities: Europe versus North America.
Lua i Stíl Chicago (17ú heag.)Nickell, S. Unemployment and Labor Market Rigidities: Europe Versus North America. 1997.
Lua MLA (9ú heag.)Nickell, S. Unemployment and Labor Market Rigidities: Europe Versus North America. 1997.
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