Davies, T.
Protection of industrial power systems
Pergamon Press, 1984
 Buku Teks SO
Power system protection; Vol. 2 : systems and metods
edited by the Electricity Training Association
Institution of Electrical Engineers, 1995
 Buku Teks SO
Power system protection vol. 4 : digital protection and signalling
edited by the Electricity Training Association
Institution of Electrical Engineers, 1997
 Buku Teks SO
IEEE recommended practice for protection and coordination of industrial and commercial power systems / sponsor, Industrial and Commercial Power Systems Committee of the IEEE Industry Applications Society
Institute of Electrical and Electronics Engineers, 1975
 Buku Teks SO
Ravindranath, B.
Power system protection and switchgear
John Wiley Eastern, 1977
 Buku Teks