Dyfyniad APA

Williams, H. C. (2014). Evidence-based dermatology (Third edition.). Wiley Blackwell : BMJ Books.

Dyfyniad Arddull Chicago

Williams, Hywel C. Evidence-based Dermatology. Third edition. Chichester, England: Wiley Blackwell : BMJ Books, 2014.

Dyfyniad MLA

Williams, Hywel C. Evidence-based Dermatology. Third edition. Wiley Blackwell : BMJ Books, 2014.

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