Lior Gideon
Handbook of survey methodology for the social sciences
Springer Science, 2012
 eBooks
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
Judd, Charles M.
Research methods in social relations
Harcout Brace Jovanovich College Publishers, 1991
 Buku Teks SO