Figures from the April 2018 update of the International Monetary Fund's World Economic Outlook Database. Figure for EU, accessed August 30, 2018. Figures for the countries of the world, accessed August 30, 2018.
Eigner, Peter; Umlauft, Thomas S. (1. 7. 2015). „The Great Depression(s) of 1929–1933 and 2007–2009? Parallels, Differences and Policy Lessons”. MTA-ELTE Crisis History Working Paper No. 2: Hungarian Academy of Science. SSRN2612243.
Eigner, Peter; Umlauft, Thomas S. (1. 7. 2015). „The Great Depression(s) of 1929–1933 and 2007–2009? Parallels, Differences and Policy Lessons”. MTA-ELTE Crisis History Working Paper No. 2: Hungarian Academy of Science. SSRN2612243.