Não informado. (1992). Primary Cardiology. PW Communications International.
Chicagoスタイル(17版)引用形式Não informado. Primary Cardiology. Secaucus, NJ: PW Communications International, 1992.
MLA(8版)引用形式Não informado. Primary Cardiology. PW Communications International, 1992.
警告: この引用は必ずしも正確ではありません.