Clarke, G. R. G., habyarimana, j., ingram, m., kalpan, d., & ramachandran, v. (2007). An assessment of the investment climate in South Africa. World Bank.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Clarke, George R. G., james habyarimana, mochael ingram, david kalpan, ба vijaya ramachandran. An Assessment of the Investment Climate in South Africa. Washington, DC: World Bank, 2007.
MLA -ийн эшлэл (9 дэх хэвлэлт)Clarke, George R. G., et al. An Assessment of the Investment Climate in South Africa. World Bank, 2007.