Stebbins, Robert A.
Exploratory research in the social sciences
Sage, 2001
 Buku Teks SO
Research methods in the social sciences
edited, Bridget Somekh, Cathy Lewin
Sage, 2005
 Buku Teks SO
Berg, Bruce Lawrence, 1954-
Qualitative research methods for the social sciences
Pearson, 2014
 Buku Teks SO
Berg, Bruce Lawrence, 1954-
Qualitative research methods for the social sciences
Pearson, 2004
 Buku Teks SO
Crano, William D.
Principles and methods of social research
Lawrence Erlbaum Assossiate, 2002
 Buku Teks SO