Research methods in social relations
by Claire Selltiz ... [and others]
Methuen, 1965
 Buku Teks
Judd, Charles M.
Research methods in social relations
Methuen, 1991
 Buku Teks
Research methods in social relations
by Louise H. Kidder ... [and others]
Holt, Rinehart and Winston, 1981
 Buku Teks
Lamont, Christopher K.
Research methods in international relations
Sage Publications Ltd., 2015
 Buku Teks
Dunn, Dana S.
Research methods for social psychology
Wiley-Blackwell, 2009
 Buku Teks