Dyfyniad APA

Elian , G. (1979). Principle of sovereignty over natural resources. Sijthoff and Noordhoff.

Dyfyniad Arddull Chicago

Elian , George. Principle of Sovereignty over Natural Resources. USA: Sijthoff and Noordhoff, 1979.

Dyfyniad MLA

Elian , George. Principle of Sovereignty over Natural Resources. Sijthoff and Noordhoff, 1979.

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