Corey, Gerald. Issues and ethics in the helping professions / Gerald Corey, Marianne Schneider Corey, Patrick Callanan. - 4th ed. - Pacific Grove, Calif. : Brooks/Cole Pub. Co., c1993. - xvi, 438 p. ; 24 cm. ISBN: 0534187625 : $21.50 LCCN: 91037997 LC Class. No.: RC455.2.E8 / C66 1993 Dewey Class. No.: 174/.2