SUMBER HUKUM INTERNASIONAL
Sumber Hukum Materiil: bahan-bahan/materi yang membentuk atau melahirkan kaidah atau norma yang mempunyai kekuatan mengikat; dan menjadi acuan bagi terjadinya sebuah perbuatan hukum. Formal: menentukan prosedur pembuatan hukum (siapa, bagaimana), dan bagaimana hukum materiil ditegakkan.
Sumber HK. Dagang Internasional Article 38 (1) of the ICJ Statute International Convention, whether general or particular, establishing rules expressly recognized by the contesting states; International Custom, as evidence of a general practice accepted as law;
c.The General Principles of law recognized by civilized nations; d.Subject to the provisions of Article 59, judicial decisions and the teachings of the most highly qualified publicists of the various nations, as subsidiary means for the determination of rules of law.
E. KAIDAH HKM PERDATA INT’L Teori : Most characteristic Connection Rule F. PROVISI KONTRAK G. HUKUM NASIONAL H. HUKUM KONTRAK UMUM I. HUKUM KONTRAK KHUSUS