1. Asnindar, "Makroglosia: Pengaruhnya pada Pertumbuhan dan Perkembangan Anak," Skripsi, Fakultas Kedokteran Gigi, Universitas Sumatera Utara, Sumatera Utara, Indonesia, 2005, p. 13.
2. D. Burford and J. H. Noar, "The Cause, Diagnosis and Treatment of Anterior Open Bite," Dent. Update, vol. 85, pp. 28-36, 2003.
3. G. Gasparini, A. Saltarel, A. Carboni, F. Maggiulli, and R. Becelli, "Surgical Management of Macroglossia," Oral Surg. Oral Med. Oral Pathol. Oral Radiol. Endod., vol. 94, pp. 566-571, 2002.
4. T. M. Graber and B. Neuman, Removable Orthodontic Appliance, 2nd ed. Philadelphia, PA, USA: W.B. Saunders Company, 1984, pp. 153-158.
5. T. M. Graber and R. L. Vanarsdall, Orthodontics: Current Principles and Techniques, 3rd ed. St. Louis, MO, USA: Mosby, 2005, pp. 245-269.