Não informado. (2012). Surgical Laparoscopy & Endoscopy. Lippincott Williams & Wilkins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Surgical Laparoscopy & Endoscopy. Hagerstown, Md: Lippincott Williams & Wilkins, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Surgical Laparoscopy & Endoscopy. Lippincott Williams & Wilkins, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.