Dyfyniad APA

Ellis, H. (2001). A history of surgery. London: Greenwich Medical Media.

Dyfyniad Arddull Chicago

Ellis, Harold. A History of Surgery. London: Greenwich Medical Media, 2001.

Dyfyniad MLA

Ellis, Harold. A History of Surgery. London: Greenwich Medical Media, 2001.

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