Dyfyniad APA

Cotton, P. B. (1993). Biliary endoprosthesis and common bile duct stones.

Dyfyniad Arddull Chicago

Cotton, P B. Biliary Endoprosthesis and Common Bile Duct Stones. 1993.

Dyfyniad MLA

Cotton, P B. Biliary Endoprosthesis and Common Bile Duct Stones. 1993.

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