@book{40045,
	author = {Cámara Férrez, Vicente,},
	title = {Telemarketing :},
	publisher = {FC Editorial,},
	year = {[2012]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/37763/}
}