APA (7th ed.) Zitazioa

Oviedo, A. M., Thomas, M. R., & Karakurum-Özdemir, K. (2009). Economic informality: Causes, costs, and policies : a literature survey. World Bank.

Chicago Style (17th ed.) Zitazioa

Oviedo, Ana María, Mark R. Thomas, eta Kamer Karakurum-Özdemir. Economic Informality: Causes, Costs, and Policies : A Literature Survey. Washington, D.C.: World Bank, 2009.

MLA (9th ed.) Zitazioa

Oviedo, Ana María, et al. Economic Informality: Causes, Costs, and Policies : A Literature Survey. World Bank, 2009.