Binder, P. (1976). Siemens crosspoint system ESK 400 E: Capacity stages 20-150-17 and 60-400-36. Siemens Aktiengesellschaft.
Chicagoスタイル(17版)引用形式Binder, Peter. Siemens Crosspoint System ESK 400 E: Capacity Stages 20-150-17 and 60-400-36. Berlín: Siemens Aktiengesellschaft, 1976.
MLA(9版)引用形式Binder, Peter. Siemens Crosspoint System ESK 400 E: Capacity Stages 20-150-17 and 60-400-36. Siemens Aktiengesellschaft, 1976.
警告: この引用は必ずしも正確ではありません.