3Paul Berman‘Thinking About Programmed and Adaptive Implementation:Matching Strategies to situations'in Why Policy Succeed,ed.Ingram and Mann,PP.205-27.
4Apple Reports (2007 Third Quarter-2010 Third Quarter). Apple Press Library .http://www.apple.com/pr/library/.
5IPhone sales per quarter.svg, http://en.wikipedia.org,/wiki /File%3AIPhone_sales_per_quarter.svg#cite_note-2.