8Laurence Tribe,American Constitutional Law, volume 1, third edition,Foundation Press,2000, New York , p. 31; pp. 85 - 89.
9Jethro K. Liberman,A Practicail Companion to the Constitution:How the Supreme Court Has Ruled from Abortion to Zoning,Random House,University of Canifomia Press,1992,pp.9-13.
10John H. Garvey and others, Modern Constitutional Theroy: A Reader, fifth edition, West a Thomson business,2004,pp. 91 -92, p. 101,pp.110-111.
