Endoscopy [Elektronische Ressource]: Official organ of the European Society of Gastrointestinal Endoscopy (E.S.G.E.) and affiliated societies. Thieme.
Παραπομπή σε μορφή Chicago (17η εκδ.)Endoscopy [Elektronische Ressource]: Official Organ of the European Society of Gastrointestinal Endoscopy (E.S.G.E.) and Affiliated Societies. Stuttgart: Thieme.
Παραπομπή σε μορφή MLA (8th εκδ.)Endoscopy [Elektronische Ressource]: Official Organ of the European Society of Gastrointestinal Endoscopy (E.S.G.E.) and Affiliated Societies. Thieme.
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