Leon Dyczewski, editor
Council for research in values and philosophy, 2002
Buku Teks
Kim Uichol [et.all.]
Springer, 2006
Buku Teks
Inglehart, Ronald, author
Cambridge University Press, 2018
Buku Teks
Adhityawarman Menaldi, author
Fakultas Psikologi Universitas Indonesia, 2008
UI - Tesis (Open)
Yankelovich, Daniel
Washington Square Press, 1972
Buku Teks