Colombotos, John
Oxford University Press, 1986
Buku Teks
Oskamp, Stuart, author
Lawrence Erlbaum , 2005
Buku Teks
William, Martin, author
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Umar Dhyana, author
1997
UI - Tesis (Membership)
Enny Roossary, author
2015
UI - Tesis (Membership)