Neuman, Lawrence W.
Basics of social research: qualitative and quantitative
Pearson New International edition, 2014
 Buku Teks SO
Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Allyn and Bacon, 2003
 Buku Teks SO
Punch, Keith F.
Introduction to Social Research: quantitative and qualitative approaches
Sage, 1998
 Buku Teks SO
Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Allyn and Bacon, 2000
 Buku Teks SO
Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Allyn and Bacon, 1994
 Buku Teks SO