1.IBM Global Chief Marketing Officer Study (2010).
2.Bronson and Merryman (2010).
3.Michalko (2011).
4.Lehrer (2012).
5.Shapiro (2012).
1.Gold (2012).
2.Konrath (2005).
3.Aaker (1996).
4.IBM Global Chief Marketing Officer Study (2010).
5.Clifford (2012).
6.Wikipedia (2012).
7.Sinek (2010).
3.144.86.134