Ryan, H. M. (2013). High-voltage engineering and testing (3rd edition.). The Institution of Engineering and Technology.
Lua i Stíl Chicago (17ú heag.)Ryan, H. M. High-voltage Engineering and Testing. 3rd edition. London, United Kingdom: The Institution of Engineering and Technology, 2013.
Lua MLA (9ú heag.)Ryan, H. M. High-voltage Engineering and Testing. 3rd edition. The Institution of Engineering and Technology, 2013.
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