Clarke, G. R. G., habyarimana, j., ingram, m., kalpan, d., & ramachandran, v. (2007). An assessment of the investment climate in South Africa. World Bank.
Lua i Stíl Chicago (17ú heag.)Clarke, George R. G., james habyarimana, mochael ingram, david kalpan, agus vijaya ramachandran. An Assessment of the Investment Climate in South Africa. Washington, DC: World Bank, 2007.
Lua MLA (9ú heag.)Clarke, George R. G., et al. An Assessment of the Investment Climate in South Africa. World Bank, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.