Dyfyniad APA
Cutting, D. (2004). Stop that heart attack! (3rd ed., fully revised and updated.). Class.
Dyfyniad Arddull Chicago
Cutting, Derrick. Stop That Heart Attack! 3rd ed., fully revised and updated. London: Class, 2004.
Dyfyniad MLA
Cutting, Derrick. Stop That Heart Attack! 3rd ed., fully revised and updated. Class, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.