Global Corruption Report 2008 (Arkistoitu – Internet Archive)Corruption in the Water Sector, Transparency International 2008, maaraportti: 197-201 vesihuolto xxiv dango s. 56 J. McMillan, ‘Dango: Japan’s Price-fixing Conspiracies’, Economics and Politics, vol. 3, no. 3 (1991)
Global Corruption Report 2008 (Arkistoitu – Internet Archive)Corruption in the Water Sector, Transparency International 2008, maaraportti: 197-201 vesihuolto xxiv dango s. 56 J. McMillan, ‘Dango: Japan’s Price-fixing Conspiracies’, Economics and Politics, vol. 3, no. 3 (1991)