APA-čujuhus (7. p.)
Fritz, V., Levy, B., & Ort, R. (2014). Problem-driven political economy analysis: The World Bank's experience. World Bank.
Chicago-čujuhus (17. p.)
Fritz, Verena, Brian Levy, juo Rachel Ort. Problem-driven Political Economy Analysis: The World Bank's Experience. Washington, DC: World Bank, 2014.
MLA-čujuhus (9. p.)
Fritz, Verena, et al. Problem-driven Political Economy Analysis: The World Bank's Experience. World Bank, 2014.
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