1. FERRERRO U.S.A., INC. (2013) The History of Nutella. Available from : http://nutellausa.vcg.ferrerousa.com/history.htm [Accessed 7 September 2013]
2. Perloff, J. (2008). Microeconomics Theory & Applications with Calculus. Boston: Pearson. p. 483.
3. McConnell, C.R., Brue, S.L., Flynn, S.M. and Grant, R. 2012. Economics. Global ed. New York: McGraw-Hill/Irwin.
No comments:
Post a Comment