Dyfyniad APA

Biological Therapy (2018). National Cancer Institute Member Services.

Dyfyniad Arddull Chicago

Biological Therapy (2018). National Cancer Institute Member Services.

Dyfyniad MLA

Biological Therapy (2018). National Cancer Institute Member Services.

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