Qualitative research
edited by Alan Bryman, Robert G. Burgess
SAGE Publication, 1999
 Buku Teks SO
Gorman, G.E.
Qualitative research for the information professional: a practical handbook
Facet Publishing, 2005
 Buku Teks SO
Berg, Bruce Lawrence, 1954-
Qualitative research methods for the social sciences
Pearson, 2004
 Buku Teks SO
Casanova, Pablo Gonzalez
The Fallacy of social science research: acritical exanination and new qualitative model
Pergamon Press, 1981
 Buku Teks SO
Understanding social research: perspectives on methodology and practice
edited by George Mckenzie, Jackie Powell, Robin Usher
The Falmer Press, 1997
 Buku Teks SO