@book{6546,
	author = {Huddleston, Rodney D., and Pullum, Geoffrey K.},
	title = {A Student's Introduction to English Grammar /},
	edition = {Second edition.},
	note = {Includes index.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ebook_2/A-Students-Introduction-to-English-Grammar}
}