Não informado. (1991). Engineering and automation. Siemens Aktiengesellschaft.
Chicagoスタイル(17版)引用形式Não informado. Engineering and Automation. Berlin: Siemens Aktiengesellschaft, 1991.
MLA(8版)引用形式Não informado. Engineering and Automation. Siemens Aktiengesellschaft, 1991.
警告: この引用は必ずしも正確ではありません.