APA aipamena

Ahmed, A. H., & Elsayed, M. A. (2009). Gastrothorax following upper gastrointestinal tract endoscopy. BMJ Publishing Group.

Chicago Style aipamena

Ahmed, AlaEldin Hassan, and Muaz Abdellatif Elsayed. Gastrothorax Following Upper Gastrointestinal Tract Endoscopy. BMJ Publishing Group, 2009.

MLA aipamena

Ahmed, AlaEldin Hassan, and Muaz Abdellatif Elsayed. Gastrothorax Following Upper Gastrointestinal Tract Endoscopy. BMJ Publishing Group, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.