@Misc{BVMC:342851, author = {Partido Socialista Obrero Español (PSOE)}, author = {UGT}, title = {PSOE y UGT}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2017}, year = {2017}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcd22s0} }