APA (7e ed.) Bronvermelding
Oviedo, A. M., Thomas, M. R., & Karakurum-Özdemir, K. (2009). Economic informality: Causes, costs, and policies : a literature survey. World Bank.
Chicago (17e ed.) Bronvermelding
Oviedo, Ana María, Mark R. Thomas, en Kamer Karakurum-Özdemir. Economic Informality: Causes, Costs, and Policies : A Literature Survey. Washington, D.C.: World Bank, 2009.
MLA (9e ed.) Bronvermelding
Oviedo, Ana María, et al. Economic Informality: Causes, Costs, and Policies : A Literature Survey. World Bank, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.