@book{53395,
	author = {Hartmann, Frederick H.,},
	title = {Readings In International Relations /},
	publisher = {McGraw-Hill,},
	year = {1952.},
	series = {McGraw-Hill series in political science.},
	address = {New York ;},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-06590.pdf}
}