@book{6390,
	author = {IAB Spain and PricewaterhouseCoopers‏},
	title = {Estudio de Inversión Publicitaria en Medios Digitales : Resultados 2020},
	publisher = {IAB Sapain :},
	year = {cop. 2021},
	address = {[Madrid] : },
	url = {https://iabspain.es/estudio/estudio-de-inversion-publicitaria-en-medios-digitales-2020/},
}