Babbie, Earl
Social research counts
Wadsworth and Cengage Learning, 2013 (International edition)
 Buku Teks
May, Tim
Social research: issues, methods and process
Open University Press, 2001
 Buku Teks
Judd, Charles M.
Research methods in social relations
Methuen, 1991
 Buku Teks
Sjoberg, Gideon
A methodology for social research
Harper & Row Publishers, 1968
 Buku Teks
Babbie, Earl
The practice of social research
Cengage Learning, 2016
 Buku Teks