General Sources

K-12 Sources

Carter, D., 2009 (May 7). 'New Kindle is textbook friendly'. eSchool News. Available at: http://www.eschoolnews.com/news/top-news/index.cfm?i=58654 [Accessed July 28, 2009].
Lowery, R., 2005. 'Teaching and Learning with Interactive Student Response Systems: A Comparison of Commercial Products in the Higher-Education Market'. Prepared for presentation at the annual meeting of the Southwestern Social Science Association and its affiliates, March 23 - 26, 2005 at New Orleans, LA. Available at: http://people.uncw.edu/lowery/SWSSA%20ms.pdf [Accessed July 2, 2009].
McCarthy, C., 2009. 'Amazon's Big-Screen Kindle DX Debuts'. CBS News. Available at: http://www.cbsnews.com/stories/2009/05/06/tech/cnettechnews/main4996025.shtml [Accessed July 28, 2009].
Rube, K., 2005. Rip-off 101: Second Edition: How the Publishing Industry's Practices Needlessly Drive Up Textbook Costs, Washington, DC: The State PIRGs. Available at: http://www.maketextbooksaffordable.org/ripoff_2005.pdf [Accessed March 16, 2009].
U.S. Government Accountability Office (GAO), 2005. College Textbooks: Enhanced Offerings Appear to Drive Recent Price Increases, U.S. Government Accountability Office. Available at: http://www.gao.gov/products/GAO-05-806 [Accessed March 12, 2009].