Alexander, I., & Mayer, C. P. (1997). Creating incentives for private infrastructure companies to become more efficient. World Bank.
Lua i Stíl Chicago (17ú heag.)Alexander, Ian, agus C. P. Mayer. Creating Incentives for Private Infrastructure Companies to Become More Efficient. Washington, DC: World Bank, 1997.
Lua MLA (9ú heag.)Alexander, Ian, agus C. P. Mayer. Creating Incentives for Private Infrastructure Companies to Become More Efficient. World Bank, 1997.
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