Dyfyniad APA

European Journal of Preventive Cardiology. European Society of Cardiology.

Dyfyniad Arddull Chicago

European Journal of Preventive Cardiology. European Society of Cardiology.

Dyfyniad MLA

European Journal of Preventive Cardiology. European Society of Cardiology.

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