Russell, K. (2000). Test your IQ. Kogan Page.
Cita Chicago (17th ed.)Russell, Ken. Test Your IQ. New delhi: Kogan Page, 2000.
Cita MLA (9th ed.)Russell, Ken. Test Your IQ. Kogan Page, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)