APA

Orakhelashvili A., . (2008). Peremptory norms in international law. New York: Oxford University Press.

Chicago

Orakhelashvili Alexander, . 2008. Peremptory norms in international law. New York: Oxford University Press.

Harvard

Orakhelashvili A., . (2008). Peremptory norms in international law. New York: Oxford University Press.

MLA

Orakhelashvili Alexander, . Peremptory norms in international law. New York: Oxford University Press. 2008.