Não informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Philippine College of Surgeons.
Chicago (17e ed.) BronvermeldingNão informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Manila: Philippine College of Surgeons.
MLA (8e ed.) BronvermeldingNão informado. Philippine Journal of Surgery, Obstetrics and Gynecology. Philippine College of Surgeons.
Let op: Deze citaties zijn niet altijd 100% accuraat.