Cita APA (7th ed.)
Schneider, F., & Enste, D. (2002). The shadow economy: An international survey. Cambridge University Press.
Cita Chicago (17th ed.)
Schneider, Friedrich, i Dominik Enste. The Shadow Economy: An International Survey. Cambridge ; New York: Cambridge University Press, 2002.
Cita MLA (9th ed.)
Schneider, Friedrich, i Dominik Enste. The Shadow Economy: An International Survey. Cambridge University Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.