@book{77972,
	author = {Berryer, Paul.},
	title = {Liberté économique :},
	publisher = {Maison Ferdinand Larcier, },
	year = {1937.},
	address = {Bruxelles :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B08-04436.pdf}
}