2Myron S.Scholes, Mark A.Wolfson, Merle Erickson, Edward L.Maydew, Terry Shevlin. Taxes and Business Strategy[M]. 3rd edition. NJ:Pearson Education Hall, 2005.
3Prepared by the Staff of the Joint Committee On Taxation. Overview of the Federal Tax System As In Effect for 2007 [R]. January 12, 2007.