Creswell, John W. Qualitative inquiry and research design : choosing among five traditions / John W. Creswell. - Thousand Oaks, Calif. : Sage Publications, c1998. - xv, 403 p. : ill ; 24 cm. ISBN: 0761901434 (cloth : acid-free paper) 0761901442 (pbk. : acid-free paper) LCCN: 97004820 Subjects--Topical Terms: Social sciences--Methodology. Dewey Class. No.: 300/.72