Não informado. (1924). Contact Point. University of the Pacific, College of Physicians and Surgeons, School of Dentistry.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Contact Point. San Francisco, Calif: University of the Pacific, College of Physicians and Surgeons, School of Dentistry, 1924.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Contact Point. University of the Pacific, College of Physicians and Surgeons, School of Dentistry, 1924.
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