Levels Quotes - Page 80
David Allen (2004). “Ready for Anything: 52 Productivity Principles for Getting Things Done”, p.147, Penguin
Dave Barry (2010). “Dave Barry's Only Travel Guide You'll Ever Need”, p.61, Ballantine Books
Dallas Willard (2009). “The Great Omission: Reclaiming Jesus’s Essential Teachings on Discipleship”, p.15, Harper Collins
Connie Willis (1996). “Futures Imperfect”, Doubleday Books
Senate Foreign Relations Committee Hearing On U.S Foreign Policy in Iraq, October 19, 2005.