Levitt, S. D., & Dubner, S. J. (2009). SUPER FREAKONOMICS: GLOBAL COOLING, PATRIOTIC PROSTITUTES, AND WHY SUICIDE BOMBERS SHOULD BUY LIFE INSURANCE. William Morrow.
Dyfyniad Arddull ChicagoLevitt, Steven D., and Stephen J. Dubner. SUPER FREAKONOMICS: GLOBAL COOLING, PATRIOTIC PROSTITUTES, AND WHY SUICIDE BOMBERS SHOULD BUY LIFE INSURANCE. New York: William Morrow, 2009.
Dyfyniad MLALevitt, Steven D., and Stephen J. Dubner. SUPER FREAKONOMICS: GLOBAL COOLING, PATRIOTIC PROSTITUTES, AND WHY SUICIDE BOMBERS SHOULD BUY LIFE INSURANCE. William Morrow, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.