Dyfyniad APA

 Schavemaker, P. (2017).  Electrical power system essentials.  John Wiley & Sons.

Dyfyniad Arddull Chicago

 Schavemaker, Pieter.  Electrical Power System Essentials.  John Wiley & Sons, 2017.

Dyfyniad MLA

 Schavemaker, Pieter.  Electrical Power System Essentials.  John Wiley & Sons, 2017.

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