Não informado. Philippine Journal of Surgical Specialties. Philippine College of Surgeons.
Cita Chicago Style (17a ed.)Não informado. Philippine Journal of Surgical Specialties. Manila: Philippine College of Surgeons.
Cita MLA (8a ed.)Não informado. Philippine Journal of Surgical Specialties. Philippine College of Surgeons.
Precaución: Estas citas no son 100% exactas.