Wonnacott, Paul. Economics / Paul Wonnacott, Ronald Wonnacott. - 4th ed. - New York : Wiley, c1990. - xxvii, 804 p. : col. ill. ; 26 cm. Cover title: Economics. Includes bibliographical references. ISBN: 0471517372 (pbk.) Subjects--Topical Terms: Macroeconomics.