@Book{BVMC:1157101, author = {Solana, Javier}, title = {Multilateralismo eficaz: una estrategia para la UE}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2022}, year = {2022}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1157101} }