Butcher, K. F. (2001). Wage effects of unions and industrial councils in South Africa. World Bank.
Chicago-viite (17. p.)Butcher, Kristin F. Wage Effects of Unions and Industrial Councils in South Africa. Washington, D.C: World Bank, 2001.
MLA-viite (9. p.)Butcher, Kristin F. Wage Effects of Unions and Industrial Councils in South Africa. World Bank, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.