Keith, Kenneth D. (2012). „Visual illusions and ethnocentrism: Exemplars for teaching cross-cultural concepts”. History of Psychology. 15 (2): 171—176. PMID22849006. doi:10.1037/a0027271.
Lonner, Walter J. (2000). „On the Growth and Continuing Importance of Cross-Cultural Psychology”. Eye on Psi Chi Magazine. 4 (3): 22—26. doi:10.24839/1092-0803.Eye4.3.22.
Keith, Kenneth D. (2012). „Visual illusions and ethnocentrism: Exemplars for teaching cross-cultural concepts”. History of Psychology. 15 (2): 171—176. PMID22849006. doi:10.1037/a0027271.