Ward, J. Leroy PMP exam : practice test and study guide / J. LeRoy Ward, Ginger Levin - 9th ed. - Boca Raton, FL : CRC Press, 2013 - xxiii, 511 p. : ill. ; 23 cm. - ESI international project management series . - ESI international project management . Includes bibliographical references and index ISBN: 9781482202243 (pbk.) Subjects--Topical Terms: Project management--Examinations--Study guides