@book{35040,
	author = {Escandell Vidal, M. Victoria,},
	title = {60 problemas de gramática :},
	publisher = {Ediciones Akal, S.A.,},
	year = {[2011]},
	series = {Akal/Lingüística},
	address = {Tres Cantos, Madrid, España :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/28135/}
}