Cita APA (7th ed.)

Johns, A. T., & Salman, S. K. (1995). Digital protection for power systems. Institution of Electrical Engineers.

Cita Chicago (17th ed.)

Johns, A. T., i S. K. Salman. Digital Protection for Power Systems. Londres: Institution of Electrical Engineers, 1995.

Cita MLA (9th ed.)

Johns, A. T., i S. K. Salman. Digital Protection for Power Systems. Institution of Electrical Engineers, 1995.