Johns, A. T., & Salman, S. K. (1995). Digital protection for power systems. Institution of Electrical Engineers.
Dyfyniad Arddull ChicagoJohns, A. T., and S. K. Salman. Digital Protection for Power Systems. Londres: Institution of Electrical Engineers, 1995.
Dyfyniad MLAJohns, A. T., and S. K. Salman. Digital Protection for Power Systems. Institution of Electrical Engineers, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.