APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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