Phillips, Bernard S. Social research : strategy and tactics / Bernard S. Phillips. - 2nd ed. - New York : Macmillan, c1971. - 398 p. : ill. ; 25 cm. Includes bibliographies and indexes. LCCN: 75004936 Subjects--Topical Terms: Social sciences--Research. Dewey Class. No.: 300.72 / PHS 1971