@book{75154,
	author = {Richer, Laurent },
	title = {Droit des contrats administratifs, 4 édition /},
	publisher = {L.G.D.J,},
	year = {2004.},
	address = {Paris;},
	edition = {4 édition},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B07-05134.pdf}
}