Hillier , T. (1999). Principles Of Public International Law (2nd.). Canvendish Publishing.
Citazione stile Chigago Style (17a edizione)Hillier , Timothy. Principles Of Public International Law. 2nd. London: Canvendish Publishing, 1999.
Citatione MLA (9a ed.)Hillier , Timothy. Principles Of Public International Law. 2nd. Canvendish Publishing, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.