@book{65308,
	author = {Puchol, Luis, and Puchol, Isabel,},
	title = {Manual de gramática parda de la negociación :},
	publisher = {Díaz de Santos,},
	year = {[2013]},
	address = {Madrid, [España] :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/136210/}
}