Johnston, G. W. (1977). Treatment of bleeding varices by oesophageal transection with the SPTU gun. Royal College of Surgeons of England.
استشهاد بنمط شيكاغوJohnston, G. W. Treatment of Bleeding Varices By Oesophageal Transection With the SPTU Gun. Royal College of Surgeons of England, 1977.
MLA استشهادJohnston, G. W. Treatment of Bleeding Varices By Oesophageal Transection With the SPTU Gun. Royal College of Surgeons of England, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.