"The Intelligent Investor: The Classic Text on Value Investing". Book by Benjamin Graham. Chapter II, The Investor and Stock-Market Fluctuations, p. 38, 1949.
"The Intelligent Investor: The Classic Text on Value Investing". Book by Benjamin Graham, Chapter II, The Investor and Stock-Market Fluctuations, p. 25, 1949.
"THE BILL GATES INTERVIEW: An energy miracle is coming, and it's going to change the world". Interview with Drake Baer, www.businessinsider.com. February 22, 2016.