@book{143735,
	author = {National Research Council (U.S.).},
	title = {Analyzing the U.S. content of imports and the foreign content of exports},
	publisher = {National Academies Press,},
	year = {2006.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10120663}
}