Blackburn, J. L. (1998). Protective relaying: Principles and applications (2a. ed.). Marcel Dekker.
Cita Chicago (17th ed.)Blackburn, J. Lewis. Protective Relaying: Principles and Applications. 2a. ed. Nueva York: Marcel Dekker, 1998.
Cita MLA (9th ed.)Blackburn, J. Lewis. Protective Relaying: Principles and Applications. 2a. ed. Marcel Dekker, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.