http://www.wjreddin.co.uk/content/11/about-bill-reddin
http://en.wikipedia.org/wiki/William_James_Reddin
https://www.theguardian.com/news/1999/aug/04/guardianobituaries1
Billy Anderson
http://couragecrusade.com/founder/
https://ca.linkedin.com/in/billyanderson416
Peter F. Drucker
http://www.druckerinstitute.com/peter-druckers-life-and-legacy/
www.inc.com/leigh-buchanan/peter-drucker.html
en.wikipedia.org/wiki/Peter_Drucker#Basic_ideas
www.brainyquote.com/quotes/authors/p/peter_f_drucker.html
Drucker – The Effective Executive (video review)
The Effective Executive – Sketch by David Bolton
Playing to Win (A.G. Lafley and Roger L. Martin)
rogerlmartin.com/archive/videos/video/in-conversation-roger-l.-martin-and-indigo-ceo-heather-reisman
fool.com/investing/general/2013/03/28/an-interview-with-roger-martin.aspx
youtube.com/watch?v=trax_OMOPcU