Hacker, P. M. S. (2013). The intellectual powers: A study of human nature. Wiley-Blackwell.
Cita Chicago (17th ed.)Hacker, P. M. S. The Intellectual Powers: A Study of Human Nature. Chichester, West Sussex, U.K.: Wiley-Blackwell, 2013.
Cita MLA (9th ed.)Hacker, P. M. S. The Intellectual Powers: A Study of Human Nature. Wiley-Blackwell, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.