8Chao, L , L. Luk, and A. Back. 2009. Sales of iPhone in China Set Under 3 -Year Accord. Wall Street Journal. 31 August. hnp://online, wsj. com/article/SB 125144884553566179. html (Accessed 13 March 2010).
9Hesseldahl, A. 2008. Tearing Down the iPhone 3G. Business Week. 15 July. http ://www. businessweek, eom/technology/content/ju12008/tc20080714 070565. htm (Accessed 11 March 2010).
10Hughes, N. 2010. Piper: 15.8M US iPhone sales in 2010, even without Verizon. Applelnsider. 6 January. http://www. appleinsider, com/articles/10/01/06/piper 15_8m us_iphone_sales_in__2010_even_without_verizon, html (Accessed 10 March 2010).