Gaya APA

Richter, H, P., Schwan, W, C. (1982). Practical electrical wiring : residential, farm, and industrial (12th ed.). New York: McGraw-Hill.

Gaya MLA

Richter, Herbert, P.., Schwan, W., Creighton. "Practical electrical wiring : residential, farm, and industrial". 12th ed. New York: McGraw-Hill, 1982. Text.