@book{65220,
	author = {Oppenheim, L and Roxburgh, Ronald F},
	title = {International Law A Treatise : },
	publisher = {Longmans, Green and Co, },
	year = {1921.},
	address = {London : },
	edition = {Third Edition},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-08640.pdf}
}