@book{832921,
	author = {Chaffey, Dave, and Ellis-Chadwick, Fiona,},
	title = {Digital marketing /},
	publisher = {Pearson,},
	year = {2019.},
	address = {New York :},
	edition = {Seventh edition.},
	note = {Earlier editions published as: Internet marketing : strategy, implementation, and practice.}
}