- Freakonomics by Steven D. Levitt & Stephen J. Dubner
- SuperFreakonomics by Steven D. Levitt & Stephen J. Dubner
- The Tipping Point by Malcolm Gladwell
- Blink by Malcolm Gladwell
- Outliers by Malcolm Gladwell
- Never Eat Alone by Keith Ferrazzi
- The Seven Habits of Highly Effective People by Stephen Covey
- How to Win Friends and Influence People by Dale Carnegie
jun 11 2011 ∞
jun 11 2011 +
jun 11 2011 +