Croft, T., Summers, W. I., & Hartwell, F. P. (2009). American electricians' handbook (15th ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Croft, Terrell, Wilford I. Summers, y Frederic P. Hartwell. American Electricians' Handbook. 15th ed. New York: McGraw-Hill, 2009.
Cita MLA (9a ed.)Croft, Terrell, et al. American Electricians' Handbook. 15th ed. McGraw-Hill, 2009.
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