LaBuda, M. C., DeFries, J. C., & Fulker, D. W. (1987). Genetic and environmental covariance among WISC-R subtests: A study. Intelligence, 11(3), 233-245.
Chicago-Zitierstil (17. Ausg.)LaBuda, Michele C., John C. DeFries, und David W. Fulker. "Genetic and Environmental Covariance Among WISC-R Subtests: A Study." Intelligence 11, no. 3 (1987): 233-245.
MLA-Zitierstil (9. Ausg.)LaBuda, Michele C., et al. "Genetic and Environmental Covariance Among WISC-R Subtests: A Study." Intelligence, vol. 11, no. 3, 1987, pp. 233-245.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.