Clark, W. H. (1998). Electrical design guide for commercial buildings. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoClark, William H. Electrical Design Guide for Commercial Buildings. New York: McGraw-Hill, 1998.
Deismireacht MLAClark, William H. Electrical Design Guide for Commercial Buildings. New York: McGraw-Hill, 1998.
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