Smith, E. F. (1907). Electro-analysis (4th ed., rev. and enl.). Blakiston.
Lua i Stíl Chicago (17ú heag.)Smith, Edgar Fahs. Electro-analysis. 4th ed., rev. and enl. Philadelphia: Blakiston, 1907.
Lua MLA (8ú heag.)Smith, Edgar Fahs. Electro-analysis. 4th ed., rev. and enl. Blakiston, 1907.
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