World Congress of Gastrointestinal Endoscopy Rome, Copenhagen. Abstracts of scientific reports: IInd World Congress of Gastrointestinal Endoscopy, Rome, July 1-2-3, 1970, Copenhagen, July 9-10-11, 1970. [χ. ό.].
Παραπομπή σε μορφή Chicago (17η εκδ.)World Congress of Gastrointestinal Endoscopy Rome, Copenhagen. Abstracts of Scientific Reports: IInd World Congress of Gastrointestinal Endoscopy, Rome, July 1-2-3, 1970, Copenhagen, July 9-10-11, 1970. [χ. τ.]: [χ. ό.].
Παραπομπή σε μορφή MLA (8th εκδ.)World Congress of Gastrointestinal Endoscopy Rome, Copenhagen. Abstracts of Scientific Reports: IInd World Congress of Gastrointestinal Endoscopy, Rome, July 1-2-3, 1970, Copenhagen, July 9-10-11, 1970. [χ. ό.].
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.
