Banks, Marcus
Visual methods in social research
Sage, 2015
 Buku Teks SO
Forcese, Dennis P.
Social research methods
Prentice-Hall, 1973
 Buku Teks SO
Lee, Raymond M.
Unobtrusive methods in social research
Open University Press, 2000
 Buku Teks SO
Research methods in social relations
by Claire Selltiz ... [and others]
Methuen, 1965
 Buku Teks SO
Kidder, Louis H.
Research methods in social relations
Holt, Rinehart and Winston, 1981
 Buku Teks SO