@book{77388,
	author = {Fensterheim, Herbert and Baer, Jean L.},
	title = {No diga sí cuando quiera decir no},
	publisher = {Ediciones Grijalbo},
	year = {1976.},
	series = {Bestsellers Grijalbo},
	address = {Barcelona},
	edition = {4. ed.},
	note = {Translation of: Don't say yes when you want to say no.}
}