References

Advertising Age. (2012). Advertising to sales ratio by industry. Retrieved July 2, 2012 from Advertising Age: http://adage.com/article/datacenter-advertising-spending/advertising-sales-ratios-industry/106575/

Amazon Kindle E-book Downloads Outsell Paperbacks. (2011). Retrieved April 19, 2012, from BBC News: http://www.bbc.co.uk/news/business-12305015

Anderson, M. (2009). Borders plans to sell e-books. Retrieved April 19, 2012, from Huffington Post: http://www.huffingtonpost.com/2009/12/16/borders-plans-to-sell-ebo_n_394072.html

Arkansas Department of Human Services. (2012). Retrieved October 30, 2012 from Arkansas Department of Human Services: http://humanservices.arkansas.gov/dccece/licensing_docs/MLR%20-%20Center%202011.pdf

Arrington, ...

Get How Strong Is Your Firm’s Competitive Advantage? now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.