Varghakhadem, F., & Passingham, R. (1990). SPEECH AND LANGUAGE DEFECTS.
Cita Chicago (17th ed.)Varghakhadem, F., i R. Passingham. SPEECH AND LANGUAGE DEFECTS. 1990.
Cita MLA (9th ed.)Varghakhadem, F., i R. Passingham. SPEECH AND LANGUAGE DEFECTS. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.