Human Development Index 2013, hdr.undp.org/es/content/table-2-human-development-index-trends-1980-2013 and www.datosmacro.com/idh?anio=2013, viewed 18th January, 2015.
Citation
Human Development Index 2013, ChartsBin.com, viewed 22nd December, 2024, <http://chartsbin.com/view/31037>.