Taleb, Nassim Nicholas (September 2008), "The Fourth Quadrant: A Map of the Limits of Statistics", Third Culture, The Edge Foundation, retrieved 23 May 2012.
Taleb, Nassim Nicholas (September 2008), “The Fourth Quadrant: A Map of the Limits of Statistics”, 《Third Culture》 (The Edge Foundation), 2012년 5월 23일에 확인함 .