Dyfyniad APA

Seminars in Colon and Rectal Surgery. Cambridge University Press.

Dyfyniad Arddull Chicago

Seminars in Colon and Rectal Surgery. Cambridge University Press.

Dyfyniad MLA

Seminars in Colon and Rectal Surgery. Cambridge University Press.

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