Não informado. Philippine Journal of Surgery and Surgical Specialties. Philippine College of Surgeons.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Philippine Journal of Surgery and Surgical Specialties. Manila: Philippine College of Surgeons.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Philippine Journal of Surgery and Surgical Specialties. Philippine College of Surgeons.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.