Dyfyniad APA

Electrical Utilities of the World. ABS Energy Research.

Dyfyniad Arddull Chicago

Electrical Utilities of the World. ABS Energy Research.

Dyfyniad MLA

Electrical Utilities of the World. ABS Energy Research.

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