Dyfyniad APA

Case Reports in Gastroenterology | Karger Publishers. Cambridge University Press.

Dyfyniad Arddull Chicago

Case Reports in Gastroenterology | Karger Publishers. Cambridge University Press.

Dyfyniad MLA

Case Reports in Gastroenterology | Karger Publishers. Cambridge University Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.