Williamson, Stephen D. Macroeconomics / - 2nd Canadian ed. - Toronto, Ontario : Pearson Addison Wesley, c2007. - xxvii, 611 pages : Illustrations ; Includes index. ISBN: 9780321416049 032141604X Subjects--Topical Terms: Macroeconomics - textbooks. LC Class. No.: HB 172.5 / WIL