@book{2544,
	author = {Ayala, Cecy + 1 and Teresa Yamileth},
	title = {Sitio Web, Libreria Gonzalez},
	publisher = {Centro Universitario Regional de Cabañas, ULS;},
	year = {2017.},
	address = {Cabañas, El salvador:},
	edition = {1a ed.}
}