Siemens Aktiengesellschaft. (1966). Pocket handbook on electrical measurements.
Cita Chicago (17th ed.)Siemens Aktiengesellschaft. Pocket Handbook on Electrical Measurements. Berlin : Siemens Aktiengesellschaf, 1966.
Cita MLA (9th ed.)Siemens Aktiengesellschaft. Pocket Handbook on Electrical Measurements. 1966.
Atenció: Aquestes cites poden no estar 100% correctes.