Watt, J. H., Croft, T. W., & Carr, C. C. (1970). American electricians' handbook: A reference book for practical electrical man (9th ed.). McGraw-Hill.
Chicago-viite (17. p.)Watt, John H., Terrell Williams Croft, ja Clifford Chuthorn Carr. American Electricians' Handbook: A Reference Book for Practical Electrical Man. 9th ed. New York: McGraw-Hill, 1970.
MLA-viite (9. p.)Watt, John H., et al. American Electricians' Handbook: A Reference Book for Practical Electrical Man. 9th ed. McGraw-Hill, 1970.
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