@book{7048,
	title = {Longman Essential Activator},
	publisher = {Pearson Education,},
	year = {2006.},
	address = {Harlow :},
	edition = {New edition.},
	note = {Incluye CD-ROM: Longman Writing Coach.},
	url = {https://drive.google.com/file/d/1fgA6JJcSpV85ylmQxEoIfSUJxS1mU1S8/view?usp=sharing}
}