Ravitch, M. M. (1981). Current problems in surgery. Year Book Medical Publishers.
Chicagoスタイル(17版)引用形式Ravitch, Mark M. Current Problems in Surgery. Chicago: Year Book Medical Publishers, 1981.
MLA(9版)引用形式Ravitch, Mark M. Current Problems in Surgery. Year Book Medical Publishers, 1981.
警告: この引用は必ずしも正確ではありません.