Dyfyniad APA

Ross, J. (1976). Understanding the heart & its diseases. McGraw-Hill.

Dyfyniad Arddull Chicago

Ross, John. Understanding the Heart & Its Diseases. New York: McGraw-Hill, 1976.

Dyfyniad MLA

Ross, John. Understanding the Heart & Its Diseases. McGraw-Hill, 1976.

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