University of the Philippines (Manila) College of Medicine Philippine General Hospital. Department of Surgery. (1978). Surgical emergencies. College of Medicine, University of the Philippines System.
Cita Chicago (17th ed.)University of the Philippines (Manila) College of Medicine Philippine General Hospital. Department of Surgery. Surgical Emergencies. Manila: College of Medicine, University of the Philippines System, 1978.
Cita MLA (9th ed.)University of the Philippines (Manila) College of Medicine Philippine General Hospital. Department of Surgery. Surgical Emergencies. College of Medicine, University of the Philippines System, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.