@Book{BVMC:944677, author = {Bello, Andrés}, title = {Derecho internacional. I Principios de Derecho internacional y escritos complementarios}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2019}, year = {2019}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0944677} }