Clarke, G. R. G., habyarimana, j., ingram, m., kalpan, d., & ramachandran, v. (2007). An assessment of the investment climate in South Africa. World Bank.
Tohutoru Kātū Chicago (17th ed.)Clarke, George R. G., james habyarimana, mochael ingram, david kalpan, me vijaya ramachandran. An Assessment of the Investment Climate in South Africa. Washington, DC: World Bank, 2007.
Tohutoro MLA (9th ed.)Clarke, George R. G., et al. An Assessment of the Investment Climate in South Africa. World Bank, 2007.