Dyfyniad APA

Simmons, J. P., & Mullin, R. C. (2021). Electrical wiring: Commercial (Seventeenth edition.). Boston: Cengage Learning.

Dyfyniad Arddull Chicago

Simmons, J. Philip, and Ray C. Mullin. Electrical Wiring: Commercial. Seventeenth edition. Boston: Cengage Learning, 2021.

Dyfyniad MLA

Simmons, J. Philip, and Ray C. Mullin. Electrical Wiring: Commercial. Seventeenth edition. Boston: Cengage Learning, 2021.

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