Dyfyniad APA

White, P. D. (1947). Heart disease (3rd ed. completely rev. and reset.). Macmillan.

Dyfyniad Arddull Chicago

White, Paul Dudley. Heart Disease. 3rd ed. completely rev. and reset. New York: Macmillan, 1947.

Dyfyniad MLA

White, Paul Dudley. Heart Disease. 3rd ed. completely rev. and reset. Macmillan, 1947.

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