@book{1633,
	author = {Samuelson, Paul A. and Nordhaus, William D.},
	title = {Economics /},
	publisher = {McGraw-Hill Irwin,},
	year = {c2010.},
	series = {The McGraw-Hill series economics},
	address = {Boston :},
	edition = {19th ed.},
	note = {Includes index.}
}