GfK Hungaria: ‘Internet banking continues to gain ground’, 3 November 2010: http://www.gfk.com/imperia/md/content/gfk_hungaria/pdf/press_h/2010/press_2010_11_03_h.pdf
GfK Hongrie: «Internet banking continues to gain ground» [Les services bancaires en ligne continuent à gagner du terrain], 3 novembre 2010 http://www.gfk.com/imperia/md/content/gfk_hungaria/pdf/press_h/2010/press_2010_11_03_h.pdf