Levitt, S. D., & Dubner, S. J. (2009). SUPER FREAKONOMICS: GLOBAL COOLING, PATRIOTIC PROSTITUTES, AND WHY SUICIDE BOMBERS SHOULD BUY LIFE INSURANCE. William Morrow.
Cita Chicago (17th ed.)Levitt, Steven D., i Stephen J. Dubner. SUPER FREAKONOMICS: GLOBAL COOLING, PATRIOTIC PROSTITUTES, AND WHY SUICIDE BOMBERS SHOULD BUY LIFE INSURANCE. New York: William Morrow, 2009.
Cita MLA (9th ed.)Levitt, Steven D., i Stephen J. Dubner. SUPER FREAKONOMICS: GLOBAL COOLING, PATRIOTIC PROSTITUTES, AND WHY SUICIDE BOMBERS SHOULD BUY LIFE INSURANCE. William Morrow, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.