O'Mahony, S. (2015). Percutaneous endoscopic gastrostomy (PEG): Cui bono? Frontline Gastroenterol.
Chicago Style aipamenaO'Mahony, Seamus. "Percutaneous Endoscopic Gastrostomy (PEG): Cui Bono?" Frontline Gastroenterol 2015.
MLA aipamenaO'Mahony, Seamus. "Percutaneous Endoscopic Gastrostomy (PEG): Cui Bono?" Frontline Gastroenterol 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.