Não informado. (1984). Cardiology board review. MRA Publications.
Chicagoスタイル(17版)引用形式Não informado. Cardiology Board Review. Greenwich, Conn: MRA Publications, 1984.
MLA(8版)引用形式Não informado. Cardiology Board Review. MRA Publications, 1984.
警告: この引用は必ずしも正確ではありません.