Bruno S. Frey, Friedrich Schneider,
"Informal and Underground Economics"
, in James D. Wright: International Encyclopedia of the Social & Behavioral Sciences, 2nd edition, Vol. 12, Elsevier, Oxford, Seite(n) 50-55, 2015
Original Titel:
Informal and Underground Economics
Sprache des Titels:
Englisch
Original Buchtitel:
International Encyclopedia of the Social & Behavioral Sciences, 2nd edition