Robert Jenning & Arthur walts. (2003). Oppenheim's international law vol.1 (ed.9.). Universal law publishing company.
Dyfyniad Arddull ChicagoRobert Jenning and Arthur walts. Oppenheim's International Law Vol.1. ed.9. New Delhi: Universal law publishing company, 2003.
Dyfyniad MLARobert Jenning and Arthur walts. Oppenheim's International Law Vol.1. ed.9. Universal law publishing company, 2003.
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