Postmodern existential sociology Kotarba Joseph A., Johnson John M. Walnut Creek, CA : AltaMira Press : cop. 2002 : x, 262 s. : ISBN: 0-7591-0161-2 (inb.) Mandatory Search the University Library catalogue
Hartman Jan Grundad teori : teorigenerering på empirisk grund. Lund : Studentlitteratur : 2001 : 120 s. ; 22 cm : ISBN: 91-44-00652-7 Mandatory Search the University Library catalogue
Qualitative research practice : a guide for social science students and researchers Ritchie Jane, Lewis Jane London : SAGE : 2003 : xv, 336 s. : ISBN: 0-7619-7109-2 Mandatory Search the University Library catalogue
Focus groups : theory and practice Stewart David W., Shamdasani Prem N., Rook Dennis W. 2. uppl. : Thousand Oaks, Calif. : Sage Publications : 2007 [dvs 2006] : 188 s. : ISBN: 0-7619-2582-1 Mandatory Search the University Library catalogue