Okun, Barbara F. Effective helping : interviewing and counseling techniques / Barbara F. Okun. - 6th ed. - Pacific Grove, CA : Brooks/Cole-Thomson Learning, c2002. - xii, 324 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0534513840 (pbk. : alk. paper) LCCN: 2001025814 Subjects--Topical Terms: Counseling.Helping behavior. LC Class. No.: BF637.C6 / O54 2002 Dewey Class. No.: 158/.3