Não informado. (1924). Contact Point. University of the Pacific, College of Physicians and Surgeons, School of Dentistry.
Chicago-referens (17:e uppl.)Não informado. Contact Point. San Francisco, Calif: University of the Pacific, College of Physicians and Surgeons, School of Dentistry, 1924.
MLA-referens (8:e uppl.)Não informado. Contact Point. University of the Pacific, College of Physicians and Surgeons, School of Dentistry, 1924.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.