Dyfyniad APA

SpringerLink (Online service), Metzger, P., & Schiessel, R. (2012). Intersphincteric resection for low rectal tumors. Springer Vienna.

Dyfyniad Arddull Chicago

SpringerLink (Online service), Peter Metzger, and Rudolf Schiessel. Intersphincteric Resection for Low Rectal Tumors. Vienna: Springer Vienna, 2012.

Dyfyniad MLA

SpringerLink (Online service), et al. Intersphincteric Resection for Low Rectal Tumors. Springer Vienna, 2012.

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