Rossman, Gretchen B.
Learning in the field : an introduction to qualitative research
Sage, 2003
 Buku Teks
Strategies of qualitative inquiry
Norman K. Denzin, editor; Yvonna S. Lincoln, editor
Sage Publications, 2003
 Buku Teks
Schratz, Michael
Research as social change : new opportunities for qualitative research
Routledge, 1995
 Buku Teks
Qualitative researching with text, image and sound : a practical handbook / edited by Martin W. Bauer and George Gaskell
Sage Publications, 2000
 Buku Referensi
Marshall, Catherine
Designing qualitative research
Sage, 1999
 Buku Teks