Não informado. (1924). Contact Point. University of the Pacific, College of Physicians and Surgeons, School of Dentistry.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Contact Point. San Francisco, Calif: University of the Pacific, College of Physicians and Surgeons, School of Dentistry, 1924.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Contact Point. University of the Pacific, College of Physicians and Surgeons, School of Dentistry, 1924.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.