APA
Norton J. J., . (1998). The Changing Nature of International Law in the Twenty-First Century. London: Kluwer Law International.
Chicago
Norton Joseph J, . 1998. The Changing Nature of International Law in the Twenty-First Century. London: Kluwer Law International.
Harvard
Norton J. J., . (1998). The Changing Nature of International Law in the Twenty-First Century. London: Kluwer Law International.
MLA
Norton Joseph J, . The Changing Nature of International Law in the Twenty-First Century. London: Kluwer Law International. 1998.