Dyfyniad APA

(1997). Gastrointestinal disease: An endoscopic approach: Vol.1. Cambridge, Massachusetts: Blackwell Science.

Dyfyniad Arddull Chicago

Gastrointestinal Disease: An Endoscopic Approach: Vol.1. Cambridge, Massachusetts: Blackwell Science, 1997.

Dyfyniad MLA

Gastrointestinal Disease: An Endoscopic Approach: Vol.1. Cambridge, Massachusetts: Blackwell Science, 1997.

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