Rubin, Allen. Research methods for social work / Allen Rubin, Earl Babbie. - 3rd ed. - Pacific Grove : Brooks/Cole Pub. Co., 1997. - 1 v. (various pagings) : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0534263887 RM253.06 LCCN: 96-017903 Subjects--Topical Terms: Social service--Research--Methodology.