Clements, R. (1995). From head to heart. Kingsway.
Cita Chicago (17th ed.)Clements, Roy. From Head to Heart. Eastbourne: Kingsway, 1995.
Cita MLA (9th ed.)Clements, Roy. From Head to Heart. Kingsway, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.