Council of Europe
Martinus Nijhoff Publishers, 1990
Buku Referensi
Selby, David, author
Cambridge University Press, 1988
Buku Teks
Scientific Secretariat of the conference, 2006
Buku Teks
Rini Setianingsih, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Universitas Indonesia, 2009
UI - Skripsi (Open)