Fowler, R. J. (1999). Electricity: Principles and applications (5th ed.). McGraw- Hill.
Lua i Stíl Chicago (17ú heag.)Fowler, Richard J. Electricity: Principles and Applications. 5th ed. New York: McGraw- Hill, 1999.
Lua MLA (9ú heag.)Fowler, Richard J. Electricity: Principles and Applications. 5th ed. McGraw- Hill, 1999.
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