Dyfyniad APA

(1977). Very early recognition of coronary heart disease.

Dyfyniad Arddull Chicago

Very Early Recognition of Coronary Heart Disease. 1977.

Dyfyniad MLA

Very Early Recognition of Coronary Heart Disease. 1977.

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