APA-viite (7. p.)
ebrary, Inc, & Clarke, G. R. G. (2007). An assessment of the investment climate in South Africa. World Bank.
Chicago-viite (17. p.)
ebrary, Inc, ja George R. G. Clarke. An Assessment of the Investment Climate in South Africa. Washington, DC: World Bank, 2007.
MLA-viite (9. p.)
ebrary, Inc, ja George R. G. Clarke. An Assessment of the Investment Climate in South Africa. World Bank, 2007.
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