Dyfyniad APA

Smith, R. L., & Herman, S. L. (2008). Electrical wiring industrial (13th ed.). Delmar Cengage Learning.

Dyfyniad Arddull Chicago

Smith, Robert L., and Stephen L. Herman. Electrical Wiring Industrial. 13th ed. Clifton Park, N.Y: Delmar Cengage Learning, 2008.

Dyfyniad MLA

Smith, Robert L., and Stephen L. Herman. Electrical Wiring Industrial. 13th ed. Delmar Cengage Learning, 2008.

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