APA-čujuhus (7. p.)
World Bank & ebrary, Inc. (2009). Increasing formality and productivity of Bolivian firms. World Bank.
Chicago-čujuhus (17. p.)
World Bank juo Inc ebrary. Increasing Formality and Productivity of Bolivian Firms. Washington, DC: World Bank, 2009.
MLA-čujuhus (9. p.)
World Bank juo Inc ebrary. Increasing Formality and Productivity of Bolivian Firms. World Bank, 2009.
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