Lua APA (7ú heag.)
Oviedo, A. M., Thomas, M. R., & Karakurum-Özdemir, K. (2009). Economic informality: Causes, costs, and policies : a literature survey. World Bank.
Lua i Stíl Chicago (17ú heag.)
Oviedo, Ana María, Mark R. Thomas, agus Kamer Karakurum-Özdemir. Economic Informality: Causes, Costs, and Policies : A Literature Survey. Washington, D.C.: World Bank, 2009.
Lua MLA (9ú heag.)
Oviedo, Ana María, et al. Economic Informality: Causes, Costs, and Policies : A Literature Survey. World Bank, 2009.
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