Thomas L. Friedman
Publisher: Farrar Straus & Giroux (2008)

'If not for the West's oil money, most Gulf states would not have had the wealth that allowed them to invest so much in arms procurement and sponsor terrorist organizations,' argued the Institute for the Analysis of Global Security, noting that Saudi Arabia's oil revenues make up 90-95 percent of total Saudi export earning and 70-80 percent of state revenues.