Dyfyniad APA

(1981). Co-ordination of trials in breast cancer.

Dyfyniad Arddull Chicago

Co-ordination of Trials in Breast Cancer. 1981.

Dyfyniad MLA

Co-ordination of Trials in Breast Cancer. 1981.

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