Elian, G. (1979). The principle of sovereignty over natural resources. Sijthoff & Noordhoff.
Chicago Style (17th ed.) CitationElian, Gheorghe. The Principle of Sovereignty over Natural Resources. Alphen aan den Rijn [etc.]: Sijthoff & Noordhoff, 1979.
MLA (9th ed.) CitationElian, Gheorghe. The Principle of Sovereignty over Natural Resources. Sijthoff & Noordhoff, 1979.
Warning: These citations may not always be 100% accurate.