@book{11474,
	author = {Frank, Robert H. and Bernanke, Ben.},
	title = {Principles of economics /},
	publisher = {McGraw-Hill/Irwin,},
	year = {c2007.},
	address = {Boston :},
	edition = {3rd ed.},
	note = {Various multi-media instructional aids, including web sites, are available to supplement the text.}
}