@book{43751,
	author = {Greenbaum, Sidney and Quirk, Randolph},
	title = {A Student's Grammar of the English Language /},
	publisher = {Longman,},
	year = {1992.},
	address = {Harlow :},
	note = {Incluye índice alfabético.},
	url = {https://drive.google.com/file/d/1nv59GZI2CL_scChhIj50cEr2fZOkhpgA/view?usp=sharing}
}