@book{790,
	author = {Schiller, Bradley R.,},
	title = {Essentials of economics /},
	publisher = {McGraw-Hill,},
	year = {c2002.},
	address = {Boston, Mass. :},
	edition = {4th ed.},
	note = {Various multi-media instructional aids are available to supplement the text.
Includes index.},
	url = {http://www.loc.gov/catdir/description/mh021/2001030920.html}
}