a Summers, Donna C.S. \a Quality \h [Text] \c by Donna C.S. Summers - \a 5th ed. - \a Boston: \b Prentice Hall, \c 2010 - \a xii,560p.: \b ill. \a Includes index \a Includes bibliographical references ISBN: \a 9780131592490 LC Class. No.: \a TS 156.6 Sum / \b 507880