Endoscopy [Elektronische Ressource]: Official organ of the European Society of Gastrointestinal Endoscopy (E.S.G.E.) and affiliated societies. Thieme.
Chicago-Zitierstil (17. Ausg.)Endoscopy [Elektronische Ressource]: Official Organ of the European Society of Gastrointestinal Endoscopy (E.S.G.E.) and Affiliated Societies. Stuttgart: Thieme.
MLA-Zitierstil (8. Ausg.)Endoscopy [Elektronische Ressource]: Official Organ of the European Society of Gastrointestinal Endoscopy (E.S.G.E.) and Affiliated Societies. Thieme.
警告：這些引文格式不一定是100％准確.