„About Us”. World Cultural Council. Приступљено 26. 6. 2019.
doi.org
Haggbloom, S. J. (2002). „The 100 most eminent psychologists of the 20th century”. Review of General Psychology. 6 (2): 139—152. S2CID145668721. doi:10.1037/1089-2680.6.2.139.
Gottfredson, Linda (1997). „Mainstream Science on Intelligence: An Editorial With 52 Signatories, History, and Bibliography”. Intelligence. 24 (1): 13—23. doi:10.1016/S0160-2896(97)90011-8.
Haggbloom, S. J. (2002). „The 100 most eminent psychologists of the 20th century”. Review of General Psychology. 6 (2): 139—152. S2CID145668721. doi:10.1037/1089-2680.6.2.139.