P. J. O'Rourke (2007). “Give War a Chance: Eyewitness Accounts of Mankind's Struggle Against Tyranny, Injustice, and Alcohol-Free Beer”, p.19, Grove/Atlantic, Inc.
P. J. O'Rourke (2007). “All the Trouble in the World: The Lighter Side of Overpopulation, Famine, Ecological Disaster, Ethnic Hatred, Plague, and Poverty”, p.2, Grove/Atlantic, Inc.