@book{53293,
	author = {Ganshof, F. L and Renouvin, Pierre,},
	title = {Histoire Des Relations Internationales.},
	publisher = {Hachette,},
	year = {1953.},
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-06733.pdf}
}