Weber, Max, 1864-1920
Methodology of social sciences
Transaction Publishers, 2011
 Buku Teks SO
Berg, Bruce Lawrence, 1954-
Qualitative reseach methods for the social sciences
Allyn and Bacon, 1989
 Buku Teks
Berg, Bruce Lawrence, 1954-
Qualitative research methods for the social sciences
Pearson, 2014
 Buku Teks SO
Gravetter, Frederick J.
Research methods for the behavioral sciences
Wadsworth, 2012
 Buku Teks SO
Gravetter, Frederick J.
Research methods for the behavioral sciences
CT Cengage Learning, 2016
 Buku Teks SO