@book{237,
	author = {Ackerman, Mario E. and Tosca, Diego M.},
	title = {Tratado de derecho del trabajo},
	publisher = {Rubinzal-Culzoni Editores},
	year = {2008},
	address = {Buenos Aires :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Tratado de derecho del trabajo-l118246.jpg}
}