Siffin, William J.
The Thai Bureaucracy institutional change and development
Honolulu, Hawaii, East-West Center Press
 Buku Teks
Bohner, Gerd
Attitudes and attitude change
Church Road: Psychology Press, 2002,
 Buku Teks
Attitudes and attitude change
William D. Crano, Radmila Prislin, editor
Psychology Press, 2008
 Buku Teks SO
Insko, Chester A.
Theories of attitude change
Prentice-Hall, 1967
 Buku Teks SO
Cohen, Arthur R.
Attitude change and social influence
Basic Books, 1964
 Buku Teks SO