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
A guide to the social sciences
edited by Norman MacKenzie
The New American Library, 1968
 Buku Teks
Flora, David B.
Statistical methods for the social &​ behavioural sciences : a model-based approach
Sage, 2018
 Buku Teks
Bechhofer, Frank
Principles of research design in the social sciences
Routledge, 2000
 Buku Teks