a Mankiw, N. Gregory \a Principles of Microeconomics \h [Text] \c by N.Gregory Mankiw - \a 6th ed. - \a Andover: \b Cengage Learning \c 2012 - \a xxiv,503p.: \b ill. \a Includes Index ISBN: \a 9788131532720 LC Class. No.: \a HB 172.M346 Man / \b 506937