LEVI, W. (1991). Contemporary International Law A Concise Introduction Werner Levi. Westview.
Cita Chicago Style (17a ed.)LEVI, Werner. Contemporary International Law A Concise Introduction Werner Levi. Westview, 1991.
Cita MLA (8a ed.)LEVI, Werner. Contemporary International Law A Concise Introduction Werner Levi. Westview, 1991.
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