@book{265878,
	author = {Cohn, Jessica.},
	title = {What is scarcity of resources? /},
	publisher = {Crabtree Pub.,},
	year = {c2009.},
	series = {Economics in action},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/ecip0821/2008025372.html}
}