APA aipamena

Hewitson, L. (2005). Practical power systems protection. London,New York: Elsevier.

Chicago Style aipamena

Hewitson, L.G. Practical Power Systems Protection. London,New York: Elsevier, 2005.

MLA aipamena

Hewitson, L.G. Practical Power Systems Protection. London,New York: Elsevier, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.