Cita APA (7th ed.)

Staber, E. (1987). Approach to testing and maintaining telephone exchanges and networks. Standard Telephone und Radio AG.

Cita Chicago (17th ed.)

Staber, E. Approach to Testing and Maintaining Telephone Exchanges and Networks. Zurich, Switzerland: Standard Telephone und Radio AG, 1987.

Cita MLA (9th ed.)

Staber, E. Approach to Testing and Maintaining Telephone Exchanges and Networks. Standard Telephone und Radio AG, 1987.