Selmes, I. (1987). Improving study skills. Hodder and Stoughton.
Cita Chicago (17th ed.)Selmes, Ian. Improving Study Skills. London: Hodder and Stoughton, 1987.
Cita MLA (9th ed.)Selmes, Ian. Improving Study Skills. Hodder and Stoughton, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.