Dyfyniad APA

(1983). Energy statistics. National Census and Statistics Office.

Dyfyniad Arddull Chicago

Energy Statistics. Manila: National Census and Statistics Office, 1983.

Dyfyniad MLA

Energy Statistics. National Census and Statistics Office, 1983.

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