@book{543044,
	author = {Kennedy, S. and et al.},
	title = {The two child limit in tax credits and Universal Credit},
	publisher = {House of Commons Library},
	year = {2017},
	address = {Londres},
	url = {https://researchbriefings.files.parliament.uk/documents/CBP-7935/CBP-7935.pdf}
}