@book{76603,
	author = {Lesly, Philip},
	title = {Manual de relaciones públicas},
	publisher = {Ediciones Martínez Roca},
	year = {1973, c1969.},
	series = {Manuales M. R.},
	address = {Barcelona},
	edition = {4. ed.},
	note = {Translation of : Public relations handbook.}
}