Dyfyniad APA

Doughton, M., & Hooper, J. (2013). Maintaining electrotechnical systems (Second edition.). Cengage Learning.

Dyfyniad Arddull Chicago

Doughton, Malcolm, and John Hooper. Maintaining Electrotechnical Systems. Second edition. Hampshire, England: Cengage Learning, 2013.

Dyfyniad MLA

Doughton, Malcolm, and John Hooper. Maintaining Electrotechnical Systems. Second edition. Cengage Learning, 2013.

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