@book{4017,
	author = {Urueña López, Alberto and Plan Avanza 2},
	title = {Estudio sobre Comercio Electrónico B2C 2008},
	publisher = {Red.es,},
	year = {D.L. 2008},
	series = {Estudio sobre comercio electrónico B2C (Internet)},
	address = {Madrid :},
	note = {Desde 2009 se edita bajo el ISSN 2172-458X},
	url = {https://www.ontsi.red.es/sites/ontsi/files/estudiob2c__descargar_pdf_5780kb__0.pdf},
}