Robert Kolb. (2001). Théorie du ius cogens international. Graduate Institute Publications.
Chicago Style (17th ed.) CitationRobert Kolb. Théorie Du Ius Cogens International. Graduate Institute Publications, 2001.
MLA (9th ed.) CitationRobert Kolb. Théorie Du Ius Cogens International. Graduate Institute Publications, 2001.
Warning: These citations may not always be 100% accurate.