@book{66713,
	author = {Frank, Robert H. and Bernanke, Ben},
	title = {Principles of economics /},
	publisher = {McGraw Hill,},
	year = {2013},
	series = {The McGraw-Hill series in economics},
	address = {New York, NY :},
	edition = {5th ed.},
	note = {Includes index}
}