@book{75492,
	author = {De Laubadère, André },
	title = {Traité Théorique Et Pratique Des Contrats Administratifs.},
	publisher = {Librairie Générale De Droit Et De Jurisprudence;},
	year = {1956.},
	address = {Paris:},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B08-04756.pdf}
}