Gaya APA

Horowitz, S, H., G, P. (2008). Power system relaying (3rd.ed). Hoboken, NJ: John Wiley.

Gaya MLA

Horowitz, Stanley, H.., G, Phadke,Arun. "Power system relaying". 3rd.ed Hoboken, NJ: John Wiley, 2008. Text.