Dyfyniad APA

Dubin, R. E. (2011). Codeine v. morphine. Canadian Medical Association.

Dyfyniad Arddull Chicago

Dubin, Ruth E. Codeine V. Morphine. Canadian Medical Association, 2011.

Dyfyniad MLA

Dubin, Ruth E. Codeine V. Morphine. Canadian Medical Association, 2011.

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