Dyfyniad APA

Collier, R. (2012). Medically necessary: How to decide? Canadian Medical Association.

Dyfyniad Arddull Chicago

Collier, Roger. Medically Necessary: How to Decide? Canadian Medical Association, 2012.

Dyfyniad MLA

Collier, Roger. Medically Necessary: How to Decide? Canadian Medical Association, 2012.

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