APA-referens (7:e uppl.)

(1933). Elementary industrial electricity; formerly published under the title of Direct-current electricity / by L. Raymond Smith.

Chicago-referens (17:e uppl.)

Elementary Industrial Electricity; Formerly Published Under the Title of Direct-current Electricity / by L. Raymond Smith. 1933.

MLA-referens (9:e uppl.)

Elementary Industrial Electricity; Formerly Published Under the Title of Direct-current Electricity / by L. Raymond Smith. 1933.

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