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 SO
Simon, Julian L.
Basic reseach methods in social science
Random House, 1978
 Buku Teks
Research methods in the social sciences
edited, Bridget Somekh, Cathy Lewin
Sage Publications , 2005
 Buku Teks SO
Bartholomae, David J.
Mathematical methods in social sciences
John Wiley & Sons, 1981
 Buku Teks SO