APA-čujuhus (7. p.)
Hewitson, L., Brown, M., & Ramesh, B. (2004). Practical power system protection (4th ed.). Elsevier/Newnes.
Chicago-čujuhus (17. p.)
Hewitson, Les, Mark Brown, juo Ben Ramesh. Practical Power System Protection. 4th ed. Oxford ; Burlington, MA: Elsevier/Newnes, 2004.
MLA-čujuhus (9. p.)
Hewitson, Les, et al. Practical Power System Protection. 4th ed. Elsevier/Newnes, 2004.
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