Centeno, M. A. P. The informal economy in the shadow of the state. The Pennsylvania State University Press.
Lua i Stíl Chicago (17ú heag.)Centeno, Miguel Angel. Portes. The Informal Economy in the Shadow of the State. Estados Unidos: The Pennsylvania State University Press.
Lua MLA (9ú heag.)Centeno, Miguel Angel. Portes. The Informal Economy in the Shadow of the State. The Pennsylvania State University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.