Dyfyniad APA

Organization for Economic Cooperation and Development. (1974). Statistics of energy, 1959-1973. OECD.

Dyfyniad Arddull Chicago

Organization for Economic Cooperation and Development. Statistics of Energy, 1959-1973. Paris: OECD, 1974.

Dyfyniad MLA

Organization for Economic Cooperation and Development. Statistics of Energy, 1959-1973. OECD, 1974.

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