APA Style

Than, C, D, E, S. (). International Customary Law and Codification : An Examination of the Continuing Role of Custom in the Present Period of Codification of International Law . Leiden: .

MLA Style

Than, Claire, De;, Erwin, Shorts. "International Customary Law and Codification : An Examination of the Continuing Role of Custom in the Present Period of Codification of International Law". Leiden: , . Text.