Dyfyniad APA

Clark, W. H. (1998). Electrical design guide for commercial buildings. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Clark, William H. Electrical Design Guide for Commercial Buildings. New York: McGraw-Hill, 1998.

Dyfyniad MLA

Clark, William H. Electrical Design Guide for Commercial Buildings. New York: McGraw-Hill, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.