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