APA aipamena

Velleman, S. L. (2016). Speech sound disorders. Wolters Kluwer.

Chicago Style aipamena

Velleman, Shelley Lynn. Speech Sound Disorders. London: Wolters Kluwer, 2016.

MLA aipamena

Velleman, Shelley Lynn. Speech Sound Disorders. Wolters Kluwer, 2016.