APA-referens (7:e uppl.)

(1987). Protective relays: Application guide (3a. ed.). GEC Measurements.

Chicago-referens (17:e uppl.)

Protective Relays: Application Guide. 3a. ed. Londres: GEC Measurements, 1987.

MLA-referens (9:e uppl.)

Protective Relays: Application Guide. 3a. ed. GEC Measurements, 1987.