@book{39771,
	author = {Kotler, Philip, and Armstrong, Gary,},
	title = {Marketinaren oinarriak /},
	publisher = {Deustuko Unibertsitatea,},
	year = {2014.},
	address = {Bilbao :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/37411/}
}