Não informado. (1952). International Congress Series. Excerpta Medica Foundation.
Chicagoスタイル(17版)引用形式Não informado. International Congress Series. Amsterdam: Excerpta Medica Foundation, 1952.
MLA(8版)引用形式Não informado. International Congress Series. Excerpta Medica Foundation, 1952.
警告: この引用は必ずしも正確ではありません.