Friedrich Schneider, Andreas Buehn, Claudio Montenegro,
"Shadow Economies all over the world: New estimates for 162 countries from 1999-2007"
, in Friedrich Schneider: Handbook on the Shadow Economy, Edward elgar Publishing Company, Cheltenham, Seite(n) 9-77, 2011
Original Titel:
Shadow Economies all over the world: New estimates for 162 countries from 1999-2007