@book{40901,
	author = {Polk, William Roe},
	title = {The Arab world},
	publisher = {Harvard University Press},
	year = {1980.},
	series = {The American foreign policy library},
	address = {Cambridge, Mass.},
	edition = {4th ed.},
	note = {Previous editions published under title: The United States and the Arab world.}
}