Pronin, Emily; Olivola, Christopher Y. (2006). Encyclopedia of Human Development // Thousand Oaks, CA: SAGE Reference. pp. 441 – 442. Посетен на 20 Oct 2014.
Epley, Nicholas; Morewedge, Carey K; Keysar, Boaz (2004-11-01). 10.1016/j.jesp.2004.02.002 // "Perspective taking in children and adults: Equivalent egocentrism but differential correction". Journal of Experimental Social Psychology. 40 (6): 760–768.