Brandz 2016 Most valuable brands, 2016. http://wppbaz.com/admin/uploads/files/BZ_Global_2016_Report.pdf
Forbes http://www.forbes.com/pictures/mli45fflfg/1-apple/#8489aeb7d289
Interbrand http://interbrand.com/best-brands/best-global-brands/2015/ranking/
