1. Zarb, GA.; Bolender, CL.; Eckert, SE.; Fenton, AH.; Jacob, RF.; Mericske-Stern, R. Prosthodontic treatment for edentulous patients. 12th ed. Mosby: Elsevier Health Sciences, 2003. p. 309-311.
2. Winkler, S. Essentials of complete denture. 2nd ed. Missouri, U.S.A: Brentwood, 1994. p. 205-209