Richardson, D. E. (1946). Electrical network calculations ; tabular methods of solution. D. Van Nostrand company,Inc.
Lua i Stíl Chicago (17ú heag.)Richardson, Donald Elmer. Electrical Network Calculations ; Tabular Methods of Solution. New York: D. Van Nostrand company,Inc, 1946.
Lua MLA (9ú heag.)Richardson, Donald Elmer. Electrical Network Calculations ; Tabular Methods of Solution. D. Van Nostrand company,Inc, 1946.
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