Arnold, Roger A. Principles of microeconomics. / - Tenth edition - US : South-Western, Cengage Learning, c2011. - xxxiii, 524 p. : col. ill. ; 26 cm. Includes index. ISBN: 9780538470742 Subjects--Topical Terms: 1. Microeconomics. 2. Economics. Dewey Class. No.: Circ. 338.5 Ar758p 2011