Mack, James E.; Shoemaker, Thomas (2006). "Chapter 15 – Distribution Transformers"(PDF). The Lineman's and Cableman's Handbook (Edisi 11th). New York: McGraw-Hill. hlm. 15-1 to 15-22. ISBN0-07-146789-0. Diarsipkan dari asli(PDF) tanggal 2013-02-10. Diakses tanggal 2013-01-12.
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Mack, James E.; Shoemaker, Thomas (2006). "Chapter 15 – Distribution Transformers"(PDF). The Lineman's and Cableman's Handbook (Edisi 11th). New York: McGraw-Hill. hlm. 15-1 to 15-22. ISBN0-07-146789-0. Diarsipkan dari asli(PDF) tanggal 2013-02-10. Diakses tanggal 2013-01-12.