McEachern, William A. Microeconomic principles : a contemporary introduction / William A. McEachern - 9th ed. - Australia ; Mason, OH : South-Western Cengage Learning, c2012. - xxiii, 504 p. : ill. ; 26 cm. ISBN: 9780538453721 LCCN: Subjects--Topical Terms: Microeconomics LC Class. No.: HB172 / .M393 2012