J. B. Carroll (1997), "The three-stratum theory of cognitive abilities" in D. P. Flanagan, J. L. Genshaft et al., Contemporary intellectual assessment: Theories, tests, and issues, Guilford Press, New York, NY, USA, pp. 122-130.
J. B. Carroll (1997), "The three-stratum theory of cognitive abilities" in D. P. Flanagan, J. L. Genshaft et al., Contemporary intellectual assessment: Theories, tests, and issues, Guilford Press, New York, NY, USA, pp.122-130.