@book{21427,
	author = {Wonnacott, Paul. and Wonnacott, Ronald J.},
	title = {An introduction to macroeconomics},
	publisher = {McGraw-Hill},
	year = {c1986.},
	address = {New York},
	edition = {3rd ed.},
	note = {Selections from: Economics. 3rd ed.}
}