Diaz Z., One Third Of Americans Correctly Identify Me Donalds As Officiel Olympic Sponsor, 2014, http://today.yougov.com/news/2014/02/04/one-third-americans-correctly-identifymcdonalds-o/.
Diaz Z., One Third Of Americans Correctly Identify McDonalds As Official Olympic Sponsor, 2014, http://today.yougov.com/news/2014/02/04/one-third-americans-correctly-identifymcdonalds-o/.