APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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