Dyfyniad APA

Ringehan, M., McKeating, J., & Protzer, U. (2017). Viral hepatitis and liver cancer. Royal Society.

Dyfyniad Arddull Chicago

Ringehan, M., J. McKeating, and U. Protzer. Viral Hepatitis and Liver Cancer. Royal Society, 2017.

Dyfyniad MLA

Ringehan, M., et al. Viral Hepatitis and Liver Cancer. Royal Society, 2017.

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