@Misc{BVMC:239919, author = {Alonso, Pilar}, title = {Signar : enseña y aprende LSE, nivel inicial}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2001}, year = {2001}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcqr4t2} }