APA (7th ed.) Zitazioa
ebrary, Inc, Sternberg, R. J., & Grigorenko, E. L. (2001). Environmental effects on cognitive abilities. L. Erlbaum Associates.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Robert J. Sternberg, eta Elena L. Grigorenko. Environmental Effects on Cognitive Abilities. Mahwah, N.J.: L. Erlbaum Associates, 2001.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Environmental Effects on Cognitive Abilities. L. Erlbaum Associates, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.