Velleman, S. L. (2016). Speech sound disorders. Wolters Kluwer.
Chicago Edition CitationVelleman, Shelley Lynn. Speech Sound Disorders. London: Wolters Kluwer, 2016.
Cita MLAVelleman, Shelley Lynn. Speech Sound Disorders. Wolters Kluwer, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.