Não informado. (1971). IEEE Power Engineering Society. Institute of Electrical and Electronics Engineers.
Čikaški stil citiranja (17. izdanje)Não informado. IEEE Power Engineering Society. New York: Institute of Electrical and Electronics Engineers, 1971.
MLA način citiranja (8. izdanje)Não informado. IEEE Power Engineering Society. Institute of Electrical and Electronics Engineers, 1971.
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