3Wikipedia, the free encyclopedia. Taxation in Germany[EB/OL]. http://en, wikipedia, org/ wiki/Taxation in Germany#Income tax rate in 2010.
4Wolfgang Parmentier. JavaScript program showing the German income tax burden and marginal tax rate in relation to the taxable income for 1999 - 2010 as diagram[EB/OL], http:// www, parmentier, de/steuer/diagrammengl, htm.
5Wolfgang Parmentier. German Income Tax Calculator[EB/OL]. http://www, parmentier, de/ steuer/incometax, htm.