@book{971,
	author = {McDonald, Peter, 1926- and Edwards, R. A.},
	title = {Animal Nutrition},
	publisher = {Pearson,},
	year = {2011},
	address = {Harlow, Inglaterra :},
	edition = {Seventh edition},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl//ebook_2/animal-nutrition/}
}