Dyfyniad APA

SpringerLink (Online service), Bordeaux, J. S., Yu, S. S., & Alam, M. (2013). Merkel cell carcinoma. Springer New York.

Dyfyniad Arddull Chicago

SpringerLink (Online service), Jeremy S. Bordeaux, Siegrid S. Yu, and Murad Alam. Merkel Cell Carcinoma. New York, NY: Springer New York, 2013.

Dyfyniad MLA

SpringerLink (Online service), et al. Merkel Cell Carcinoma. Springer New York, 2013.

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