Rubin, Allen. Research methods for social work / Allen Rubin, Earl Babbie. - 4th ed. - Australia ; Belmont, CA : Wadsworth/Thomson Learning, c2001 . - xxii, 693, G-9, B-8, I-13 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0534362176 LCCN: 00-032466 Subjects--Topical Terms: Social service--Research Dewey Class. No.: 361.0072