Creswell, John W. Qualitative inquiry & research design : choosing among five approaches / Qualitative inquiry and research design John W. Creswell. - 2nd ed. - Thousand Oaks : Sage Publications, c2007. - xvii, 395 p. : ill. ; 23 cm. Includes bibliographical references and indexes. ISBN: 1412916062 (cloth : acid-free paper) 1412916070 (pbk. : acid-free paper) 9781412916066 (cloth : acid-free paper) 9781412916073 (pbk. : acid-free paper) LCCN: 2006031956 Subjects--Topical Terms: Social sciences--Methodology.