Dyfyniad APA

Head & Neck Cancer: Questions & Answers (2017). National Cancer Institute Member Services.

Dyfyniad Arddull Chicago

Head & Neck Cancer: Questions & Answers (2017). National Cancer Institute Member Services.

Dyfyniad MLA

Head & Neck Cancer: Questions & Answers (2017). National Cancer Institute Member Services.

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