Stetka, F., Brandon, M. M., & Abbott, A. L. (1966). NFPA handbook of the national electrical code: Based on the 1965 edition of the National electrical code. New York: McGraw-Hill.
Παραπομπή Chicago StyleStetka, Frank, Merwin M. Brandon, and Arthur Laurie Abbott. NFPA Handbook of the National Electrical Code: Based On the 1965 Edition of the National Electrical Code. New York: McGraw-Hill, 1966.
Παραπομπή MLAStetka, Frank, Merwin M. Brandon, and Arthur Laurie Abbott. NFPA Handbook of the National Electrical Code: Based On the 1965 Edition of the National Electrical Code. New York: McGraw-Hill, 1966.
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