Rolex Wathces Building a Brand

At least three of the sources must be scholarly journals.
Below are several sources I already provided my professor.:
Badenhauser, Kurt. “The world’s Most Valuable Brands 2015.” Forbes Magazine 13 May 2015. Web. 16 September 2015
Liebeskind, David. “What Makes Rolex Tick?” Stern Business Fall/Winter 2004: n. pag. Web. 16 September 2015
Musetescu, Adina, Robert Chira. “How to Create a Strong Brand” Knowledge Horizons-Economics 7.2 (2015) 119-122 Ideas 16 September 2015