Blackburn, J. L. (1998). Protective relaying: Principles and applications (2a. ed.). Marcel Dekker.
Chicago-čujuhus (17. p.)Blackburn, J. Lewis. Protective Relaying: Principles and Applications. 2a. ed. Nueva York: Marcel Dekker, 1998.
MLA-čujuhus (9. p.)Blackburn, J. Lewis. Protective Relaying: Principles and Applications. 2a. ed. Marcel Dekker, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.