Dyfyniad APA

(1992). Metering apparatus and tariffs for electricity supply. The Institution of Electrical Engineers.

Dyfyniad Arddull Chicago

Metering Apparatus and Tariffs for Electricity Supply. Londres: The Institution of Electrical Engineers, 1992.

Dyfyniad MLA

Metering Apparatus and Tariffs for Electricity Supply. The Institution of Electrical Engineers, 1992.

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