@book{53406,
	author = {Holsti, K. J.},
	title = {International Politics :},
	publisher = {Prentice-Hall,},
	year = {1983.},
	address = {Englewood Cliffs ;},
	edition = {Fourth Edition},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-06752.pdf}
}