Cita APA (7th ed.)

Schubert, W. (1976). Communications cables and transmission systems. Siemens.

Cita Chicago (17th ed.)

Schubert, Werner. Communications Cables and Transmission Systems. Berlín: Siemens, 1976.

Cita MLA (9th ed.)

Schubert, Werner. Communications Cables and Transmission Systems. Siemens, 1976.