Παραπομπή APA

Sleva, A. F. (2009). Protective relay principles. CRC press.

Παραπομπή Chicago Style

Sleva, Anthony F. Protective Relay Principles. Boca Ration: CRC press, 2009.

Παραπομπή MLA

Sleva, Anthony F. Protective Relay Principles. CRC press, 2009.