Butcher, K. F. (2001). Wage effects of unions and industrial councils in South Africa. World Bank.
Lua i Stíl Chicago (17ú heag.)Butcher, Kristin F. Wage Effects of Unions and Industrial Councils in South Africa. Washington, D.C: World Bank, 2001.
Lua MLA (9ú heag.)Butcher, Kristin F. Wage Effects of Unions and Industrial Councils in South Africa. World Bank, 2001.
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