Article 38(1) of the statutes of ICJ provides a reflection of the sources of international law, though not accurate and Article 38 did not expressly mention ‘sources' but it is usually invoked as sources of international law. Sources of international law can be characterized as ‘formal' and ‘material' sources, though the characterisation is not by hierarchy but for clarification, therefore, Article 38(1)(a-c),that is, conventions or treaties ,custom and general principles are formal sources whereas Article 38(1)(d) that is, judicial decisions and juristic teachings are ‘material sources'.Formal sources confer upon rules an ‘obligatory character', while material sources comprise the ‘actual content of the rules' This essay will consider the accuracy of the sources and other law making means