@book{70897,
	author = {Wonnacott, Paul. and Wonnacott, Ronald J.},
	title = {An introduction to microeconomics /},
	publisher = {McGraw-Hill,},
	year = {c1982.},
	address = {New York :},
	edition = {2nd ed.},
	note = {"This book includes chapters 1 to 6 and 19 to 37 of Economics"--Verso of t.p.}
}