APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.