C.f. Michael E. Porter Profile : http://drfd.hbs.edu/fit/public/facultyInfo.do?facInfo=pub&facId=6532
- Michael E. Porter's Five Forces 1979 : How Competitive Forces Shape Strategy
- Michael E. Porter's Competitive Advantage 1985: http://www.amazon.com/Competitive-Advantage-Creating-Sustaining-Performance/dp/0684841460
- Michael E. Porter's Strategy 1996 : http://hbr.org/1996/11/what-is-strategy/ar/1#disqus_thread
- Great summary : http://sendy82.wordpress.com/2009/07/03/a-summary-of-michael-porter-what-is-strategy/
- Michael E. Porter's Five Forces 2008 : "The Five Competitive Forces That Shape Strategy http://hbr.org/2008/01/the-five-competitive-forces-that-shape-strategy/ar/1