Cita APA (7a ed.)

Siemens AG. (1985). ISDN in the office-hicom: Technology ans applications of the HICOM ISDN communication system. Siemens.

Cita Chicago Style (17a ed.)

Siemens AG. ISDN in the Office-hicom: Technology Ans Applications of the HICOM ISDN Communication System. Munich: Siemens, 1985.

Cita MLA (8a ed.)

Siemens AG. ISDN in the Office-hicom: Technology Ans Applications of the HICOM ISDN Communication System. Siemens, 1985.