Arajärvi, P, M, J, K, N.(2022).The Theory, Practice and Interpretation of Customary International Law .:Cambridge University Press.
Gaya MLA
Arajärvi, Panos, Merkouris;, Jörg, Kammerhofer;, Noora."The Theory, Practice and Interpretation of Customary International Law".:Cambridge University Press,2022.Text.