Schneider, F., & Enste, D. (2002). Hiding in the shadows: The growth of the underground economy. International Monetary Fund.
Cita Chicago (17th ed.)Schneider, Friedrich, i Dominik Enste. Hiding in the Shadows: The Growth of the Underground Economy. Washington, D.C: International Monetary Fund, 2002.
Cita MLA (9th ed.)Schneider, Friedrich, i Dominik Enste. Hiding in the Shadows: The Growth of the Underground Economy. International Monetary Fund, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.